um Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes what hydrologists study? Choice Feedback *A. The movement and distribution of water and ice on Earth Correct! B. Rocks on Earth and other planets C. Plant and animal life on Earth and other planets D. Earth's atmosphere and weather Global Incorrect Feedback The correct answer is: The movement and distribution of water and ice on Earth. -------------------------------------------------------------------------------- Question 1b of 20 ( 1 Earth Science Disciplines 261347 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes what meteorologists study? Choice Feedback *A. Earth's weather systems and atmosphere Correct! B. Rocks on Earth and other planets C. The movement and distribution of water and ice on Earth D. The movement of meteors, asteroids and comets Global Incorrect Feedback The correct answer is: Earth's weather systems and atmosphere. -------------------------------------------------------------------------------- Question 1c of 20 ( 1 Earth Science Disciplines 261367 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes what geologists study? Choice Feedback *A. The origin, physical history and structure of Earth Correct! B. Earth's water and ice supplies C. Plant and animal life on Earth and other planets D. Earth's atmosphere and weather Global Incorrect Feedback The correct answer is: The origin, physical history and structure of Earth. -------------------------------------------------------------------------------- Question 2a of 20 ( 1 Scientific Method 164970 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A hypothesis becomes a theory: Choice Feedback A. after scientists try to prove the theory wrong and fail. B. when most scientists accept the hypothesis as true. *C. after scientific experiments to test a hypothesis produce the same results. D. when scientists collaborate on designing experiments. Global Incorrect Feedback The correct answer is: after scientific experiments to test a hypothesis produce the same results. -------------------------------------------------------------------------------- Question 2b of 20 ( 1 Scientific Method 261348 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A working theory becomes a paradigm: Choice Feedback A. after scientists try to prove the theory wrong and fail. B. after the hypothesis is shown to be true by experiment. *C. when it stands the test of time and is supported by many experiments. Correct! D. when a second scientist gets the same results. Global Incorrect Feedback The correct answer is: when it stands the test of time and is supported by many experiments. -------------------------------------------------------------------------------- Question 2c of 20 ( 1 Scientific Method 261368 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A unifying concept that forms the basis of scientific investigation in a particular field is called a(n) ______. Choice Feedback A. observation B. working theory *C. paradigm Correct! D. hypothesis Global Incorrect Feedback The correct answer is: paradigm. -------------------------------------------------------------------------------- Question 3a of 20 ( 3 The Big Bang Theory 164971 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: What do scientists believe provides evidence for the Big Bang Theory? Choice Feedback *A. Red shift of stars far from observers on Earth B. The gradual movement of continents across the ocean floors C. The solar system being full of comets, asteroids and other debris D. Stars forming when clouds of gas begin to rotate and burn Global Incorrect Feedback The correct answer is: Red shift of stars far from observers on Earth. -------------------------------------------------------------------------------- Question 3b of 20 ( 3 The Big Bang Theory 261349 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: What do scientists believe provides evidence for the Big Bang Theory? Choice Feedback *A. The presence of cosmic microwave background radiation B. The gradual spreading of the ocean floors along plate boundaries C. The core accretion theory of planet formation D. The presence of the main asteroid belt Global Incorrect Feedback The correct answer is: The presence of cosmic microwave background radiation. -------------------------------------------------------------------------------- Question 3c of 20 ( 3 The Big Bang Theory 261369 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: What fact do scientists believe provides evidence for the Big Bang Theory? Choice Feedback *A. All distant galaxies are moving away from us. B. All comets follow elliptical orbits. C. Most extra-solar planets are gas giants. D. All stars feature nuclear fusion in their core. Global Incorrect Feedback The correct answer is: All distant galaxies are moving away from us. -------------------------------------------------------------------------------- Question 4a of 20 ( 2 Stars 164972 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes the very next phase in our sun's life cycle? Choice Feedback A. It will collapse and become a white dwarf. B. It will collapse and become a brown dwarf. C. It will explode and form a star nursery. *D. It will expand and become a red giant. Global Incorrect Feedback The correct answer is: It will expand and become a red giant. -------------------------------------------------------------------------------- Question 4b of 20 ( 2 Stars 261350 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes the final phase in our sun's life cycle? Choice Feedback A. It will expand and become a red giant. B. It will collapse and become a brown dwarf. C. It will explode and form a black hole. *D. It will collapse and become a white dwarf. Global Incorrect Feedback The correct answer is: It will collapse and become a white dwarf. -------------------------------------------------------------------------------- Question 4c of 20 ( 2 Stars 261370 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: When the sun reaches the end of its life cycle, the expanded part will be released into space, forming a _____. Choice Feedback A. red giant B. white dwarf C. brown dwarf *D. planetary nebula Global Incorrect Feedback The correct answer is: planetary nebula. -------------------------------------------------------------------------------- Question 5a of 20 ( 2 Comparing Planets 262040 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which planet in our solar system is most habitable, besides Earth? Choice Feedback A. Venus *B. Mars C. Jupiter D. Mercury Global Incorrect Feedback The correct answer is: Mars. -------------------------------------------------------------------------------- Question 5b of 20 ( 2 Comparing Planets 261351 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which planet in our solar system has the most satellites? Choice Feedback A. Venus *B. Jupiter C. Earth D. Saturn Global Incorrect Feedback The correct answer is: Jupiter. -------------------------------------------------------------------------------- Question 5c of 20 ( 2 Comparing Planets 261371 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which planet in our solar system features the runaway greenhouse effect? Choice Feedback A. Mars *B. Venus C. Jupiter D. Earth Global Incorrect Feedback The correct answer is: Venus. -------------------------------------------------------------------------------- Question 6a of 20 ( 2 Solar Processes 164974 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A star produces energy by: Choice Feedback A. rotating quickly on its axis. B. absorbing and releasing the matter of other stars. *C. creating helium from hydrogen in its core. D. reflecting energy from nearby stars. Global Incorrect Feedback The correct answer is: creating helium from hydrogen in its core. -------------------------------------------------------------------------------- Question 6b of 20 ( 2 Solar Processes 261352 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A star produces energy by: Choice Feedback A. expanding and contracting its magnetic field. B. splitting atoms apart, releasing energy in the form of photons. *C. combining two atoms to form a larger atom, releasing energy. D. creating sunspots and releasing coronal ejections. Global Incorrect Feedback The correct answer is: combining two atoms to form a larger atom, releasing energy. -------------------------------------------------------------------------------- Question 6c of 20 ( 2 Solar Processes 261372 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As the sun ages, it contains: Choice Feedback A. more hydrogen and less helium. B. more oxygen and less helium. *C. more helium and less hydrogen. D. more carbon and less nitrogen. Global Incorrect Feedback The correct answer is: more helium and less hydrogen. -------------------------------------------------------------------------------- Question 7a of 20 ( 2 The Structure of the Sun 164975 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which of sun's layers is only visible during eclipses? Choice Feedback *A. The corona B. The photosphere C. The chromosphere D. The ionosphere Global Incorrect Feedback The correct answer is: The corona. -------------------------------------------------------------------------------- Question 7b of 20 ( 2 The Structure of the Sun 261353 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which of the sun's layers releases visible light? Choice Feedback *A. The photosphere B. The corona C. The chromosphere D. The ionosphere Global Incorrect Feedback The correct answer is: The photosphere. -------------------------------------------------------------------------------- Question 7c of 20 ( 2 The Structure of the Sun 261373 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Sunspots are temporary disturbances that appear on the sun's _____. Choice Feedback *A. photosphere B. corona C. chromosphere D. ionosphere Global Incorrect Feedback The correct answer is: photosphere. -------------------------------------------------------------------------------- Question 8a of 20 ( 3 El Nino and La Nina 262041 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which is expected to happen during El Ni–o? Choice Feedback *A. The pressure gradient decreases. B. The trade winds strengthen. C. Upwelling along the west coast of South America increases. D. There is unusually low air pressure over the western tropical Pacific. Global Incorrect Feedback The correct answer is: The pressure gradient decreases. -------------------------------------------------------------------------------- Question 8b of 20 ( 3 El Nino and La Nina 261354 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which is expected to happen during La Ni–a? Choice Feedback *A. There is unusually low air pressure over the western tropical Pacific. B. The trade winds weaken as the pressure gradient increases. C. Upwelling along the west coast of South America increases. D. Unusually warm ocean temperatures are recorded in the equatorial Pacific Global Incorrect Feedback The correct answer is: There is unusually low air pressure over the western tropical Pacific. -------------------------------------------------------------------------------- Question 8c of 20 ( 3 El Nino and La Nina 261374 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which is expected to happen during El Ni–o? Choice Feedback *A. Drought conditions in Australia B. Unusually high fish yields in Peru C. An increase in the pressure gradient D. Cool temperatures in the equatorial Pacific Global Incorrect Feedback The correct answer is: Drought conditions in Australia. -------------------------------------------------------------------------------- Question 9a of 20 ( 2 Habitability of Planets 164977 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which quality makes Earth particularly well-suited to support life? Choice Feedback A. It is between two planets of similar size. B. It has only one natural satellite. C. It is only 5 billion years old. *D. It contains the right amount of carbon, nitrogen and oxygen. Global Incorrect Feedback The correct answer is: It contains the right amount of carbon, nitrogen and oxygen. -------------------------------------------------------------------------------- Question 9b of 20 ( 2 Habitability of Planets 261355 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which quality makes Earth particularly well-suited to support life? Choice Feedback A. It has an elliptical orbit. B. It rotates once per day. C. Its atmosphere contains trace amounts of methane. *D. It has a strong magnetic field. Global Incorrect Feedback The correct answer is: It has a strong magnetic field. -------------------------------------------------------------------------------- Question 9c of 20 ( 2 Habitability of Planets 261375 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which quality makes Earth particularly well-suited to support life? Choice Feedback A. It features a wide variety of topographies. B. Its axis precesses about every 26,000 years. C. It is roughly the same age as the sun. *D. Its distance from the sun helps maintain a narrow temperature range. Global Incorrect Feedback The correct answer is: Its distance from the sun helps maintain a narrow temperature range. -------------------------------------------------------------------------------- Question 10a of 20 ( 3 The Moon 164978 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: During the phase called the new moon, the moon is not visible to observers on Earth. Why not? Choice Feedback *A. The moon is between the sun, and Earth and reflects light back toward the sun. B. Earth is between the sun and the moon, and blocks light from reaching the moon. C. The sun is between Earth and the moon, and the moon reflects light back toward the sun. Global Incorrect Feedback The correct answer is: The moon is between the sun and Earth and reflects light back toward the sun. -------------------------------------------------------------------------------- Question 10b of 20 ( 3 The Moon 261356 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: How is a new moon different from a lunar eclipse? Choice Feedback *A. In a new moon, the moon is between Earth and the sun. B. In a new moon, Earth is between the sun and the moon. C. In a new moon, the sun, Earth and the moon are perfectly aligned. Global Incorrect Feedback The correct answer is: In a new moon, the moon is between Earth and the sun. -------------------------------------------------------------------------------- Question 10c of 20 ( 3 The Moon 261376 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: What happens during a lunar eclipse? Choice Feedback *A. A full moon is blocked by Earth's shadow. B. A new moon is blocked by Earth's shadow. C. Earth is in the shadow of a full moon. Global Incorrect Feedback The correct answer is: A full moon is blocked by Earth's shadow. -------------------------------------------------------------------------------- Question 11a of 20 ( 2 Measurements 164979 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As an air mass cools to its dew point ¦ Choice Feedback A. relative humidity decreases. *B. relative humidity increases. C. cumulonimbus clouds form. D. air pressure decreases. Global Incorrect Feedback The correct answer is: relative humidity increases. -------------------------------------------------------------------------------- Question 11b of 20 ( 2 Measurements 261357 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As an air mass increases in temperature, its dew point _____. Choice Feedback A. increases *B. is unchanged C. decreases D. condenses Global Incorrect Feedback The correct answer is: is unchanged. -------------------------------------------------------------------------------- Question 11c of 20 ( 2 Measurements 261377 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As an air mass cools, water will condense when: Choice Feedback A. the humidity reaches the dew point. *B. the temperature reaches the dew point. C. the relative humidity equals the standard humidity. D. the air pressure reaches the atmospheric pressure. Global Incorrect Feedback The correct answer is: the temperature reaches the dew point. -------------------------------------------------------------------------------- Question 12a of 20 ( 2 Lakes and Rivers 164980 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Where are plankton-eating fish most likely to live in a freshwater lake? Choice Feedback A. The littoral zone *B. The limnetic zone C. The pelagic zone D. The profundal zone Global Incorrect Feedback The correct answer is: The limnetic zone. -------------------------------------------------------------------------------- Question 12b of 20 ( 2 Lakes and Rivers 261358 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Where are amphibians that eat living plants most likely to live in a lake? Choice Feedback A. The limnetic zone *B. The littoral zone C. The pelagic zone D. The profundal zone Global Incorrect Feedback The correct answer is: The littoral zone. -------------------------------------------------------------------------------- Question 12c of 20 ( 2 Lakes and Rivers 261378 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which zone is most likely to have insects and very little plant life? Choice Feedback A. The littoral zone *B. The benthic zone C. The pelagic zone D. The limnetic zone Global Incorrect Feedback The correct answer is: The benthic zone. -------------------------------------------------------------------------------- Question 13a of 20 ( 3 Ocean Currents 164981 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes the way sunlight creates ocean currents? Choice Feedback *A. Sunlight warms the waters on the ocean surface. Some heat energy is transferred to cooler waters through convection. B. Sunlight warms the waters on the ocean surface. Warmer waters sink below cooler waters, creating ocean currents. C. Sunlight causes water to evaporate from the ocean surface. Clouds form and precipitation follows. Global Incorrect Feedback The correct answer is: Sunlight warms the waters on the ocean surface. Some heat energy is transferred to cooler waters through convection. -------------------------------------------------------------------------------- Question 13b of 20 ( 3 Ocean Currents 261359 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes the way sunlight creates global ocean currents? Choice Feedback *A. Sunlight warms the equatorial waters more than polar waters. The uneven heating leads to convection. B. Sunlight warms the ocean equally over Earth's surface. The deeper water is colder, resulting in convection. C. Sunlight causes uneven evaporation between the poles and equator. Clouds form and precipitation follows. Global Incorrect Feedback The correct answer is: Sunlight warms the equatorial waters more than polar waters. The uneven heating leads to convection. -------------------------------------------------------------------------------- Question 13c of 20 ( 3 Ocean Currents 261379 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which best describes how ocean currents are created? Choice Feedback *A. Heating differences between the poles and the equator because of the sun lead to convection. B. Wind differences between the poles and the equator because of the sun's light lead to ocean currents. C. Earth's rotation disturbs ocean waters, leading to a system of currents between the poles and equator. Global Incorrect Feedback The correct answer is: Heating differences between the poles and the equator because of the sun lead to convection. -------------------------------------------------------------------------------- Question 14a of 20 ( 2 Atmospheric Layers 164982 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Which layer of the atmosphere has the least amount of ultraviolet rays from the sun? Choice Feedback A. The thermosphere B. The mesosphere C. The stratosphere *D. The troposphere Global Incorrect Feedback The correct answer is: The troposphere. -------------------------------------------------------------------------------- Question 14b of 20 ( 2 Atmospheric Layers 261360 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Into which layer of the atmosphere are jet airplanes able to travel? Choice Feedback A. The thermosphere B. The mesosphere C. The troposphere *D. The stratosphere Global Incorrect Feedback The correct answer is: The stratosphere. -------------------------------------------------------------------------------- Question 14c of 20 ( 2 Atmospheric Layers 261380 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: In which layer of the atmosphere does the aurora borealis form? Choice Feedback A. The troposphere B. The mesosphere C. The stratosphere *D. The thermosphere Global Incorrect Feedback The correct answer is: The thermosphere. -------------------------------------------------------------------------------- Question 15a of 20 ( 2 Carbon Cycle 164983 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: When a plant uses energy to grow, it behaves as a _____. Choice Feedback A. producer B. consumer *C. carbon sink D. carbon source Global Incorrect Feedback The correct answer is: carbon sink. -------------------------------------------------------------------------------- Question 15b of 20 ( 2 Carbon Cycle 261361 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: When a plant performs photosynthesis, it behaves as a _____. Choice Feedback A. producer B. consumer *C. carbon sink D. carbon source Global Incorrect Feedback The correct answer is: carbon sink. -------------------------------------------------------------------------------- Question 15c of 20 ( 2 Carbon Cycle 261381 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: When a plant performs respiration, it behaves as a _____. Choice Feedback A. producer B. consumer *C. carbon source D. carbon sink Global Incorrect Feedback The correct answer is: carbon source. -------------------------------------------------------------------------------- Question 16a of 20 ( 2 Nitrogen Cycle 164984 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: How do plants get the nitrogen they need to grow? Choice Feedback A. They absorb nitrogen gas from the atmosphere. *B. They absorb nitrogen through their roots. C. They create it during photosynthesis. D. They create it during respiration. Global Incorrect Feedback The correct answer is: They absorb nitrogen through their roots. -------------------------------------------------------------------------------- Question 16b of 20 ( 2 Nitrogen Cycle 261362 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: What process must happen to gaseous nitrogen before plants can use it to grow? Choice Feedback A. Precession *B. Fixation C. Photosynthesis D. Respiration Global Incorrect Feedback The correct answer is: Fixation. -------------------------------------------------------------------------------- Question 16c of 20 ( 2 Nitrogen Cycle 261382 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: How do bacteria help plants grow? Choice Feedback A. They push nitrogen into the plants' roots. *B. They prepare nitrogen atoms from nitrogen molecules. C. They assist in respiration. D. They break down carbon dioxide molecules. Global Incorrect Feedback The correct answer is: They prepare nitrogen atoms from nitrogen molecules. -------------------------------------------------------------------------------- Question 17a of 20 ( 2 Global Wind Patterns 164985 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As a result of the Coriolis Effect, an air mass moving from the North Pole toward the equator will ¦ Choice Feedback A. turn toward the left. *B. turn toward the right. C. turn back toward the Pole. D. move more slowly Global Incorrect Feedback The correct answer is: turn toward the right. -------------------------------------------------------------------------------- Question 17b of 20 ( 2 Global Wind Patterns 261363 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As a result of the Coriolis effect, an air mass moving from the equator toward the North Pole will: Choice Feedback A. turn toward the left. *B. turn toward the right. C. turn back toward the equator. D. move more slowly. Global Incorrect Feedback The correct answer is: turn toward the right. -------------------------------------------------------------------------------- Question 17c of 20 ( 2 Global Wind Patterns 261383 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: As a result of the Coriolis effect, an air mass moving from the North Pole toward the equator will: Choice Feedback A. bend to the west. *B. bend to the east. C. speed up. D. slow down. Global Incorrect Feedback The correct answer is: bend to the east. -------------------------------------------------------------------------------- Question 18a of 20 ( 2 Air Masses and Fronts 164986 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: An air mass that originates over land in Canada is most likely _____. Choice Feedback A. warm and dry B. warm and wet C. cold and wet *D. cold and dry Global Incorrect Feedback The correct answer is: cold and dry. -------------------------------------------------------------------------------- Question 18b of 20 ( 2 Air Masses and Fronts 261364 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: An air mass that originates in the Pacific ocean, west of Brazil, is most likely _____. Choice Feedback A. warm and dry B. cold and dry C. cold and wet *D. warm and wet Global Incorrect Feedback The correct answer is: warm and wet. -------------------------------------------------------------------------------- Question 18c of 20 ( 2 Air Masses and Fronts 261384 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: An air mass that originates over land in Central America is most likely _____. Choice Feedback A. cold and dry B. warm and wet C. cold and wet *D. warm and dry Global Incorrect Feedback The correct answer is: warm and dry. -------------------------------------------------------------------------------- Question 19a of 20 ( 2 Weather Forecasts 164987 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: The _____ method would be the best to forecast weather conditions that will occur exactly one year from today. Choice Feedback *A. climatology B. persistence C. trends D. analog Global Incorrect Feedback The correct answer is: climatology. -------------------------------------------------------------------------------- Question 19b of 20 ( 2 Weather Forecasts 261365 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: The _____ method would be the best way to determine whether the way the barometric pressure is changing will lead to rain. Choice Feedback *A. analog B. persistence C. trends D. climatology Global Incorrect Feedback The correct answer is: analog. -------------------------------------------------------------------------------- Question 19c of 20 ( 2 Weather Forecasts 261385 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: The _____ method would be the best way to determine when an approaching thunderstorm storm will reach your town. Choice Feedback *A. trends B. persistence C. climatology D. analog Global Incorrect Feedback The correct answer is: trends. -------------------------------------------------------------------------------- Question 20a of 20 ( 2 Extreme Weather Events 164988 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A hurricane is most likely to form ? Choice Feedback A. in May in the northeast United States. B. in January near the equator. *C. in September near the equator. D. in September in the northeast United States. Global Incorrect Feedback The correct answer is: in September near the equator. -------------------------------------------------------------------------------- Question 20b of 20 ( 2 Extreme Weather Events 261366 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: A tropical depression can become more powerful by: Choice Feedback A. joining with a tropical disturbance. B. absorbing energy from the stratosphere. *C. gaining energy from warm water. D. slowing down their rotation rate. Global Incorrect Feedback The correct answer is: gaining energy from warm water. -------------------------------------------------------------------------------- Question 20c of 20 ( 2 Extreme Weather Events 261386 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 4 Question: Hurricanes form near the equator because: Choice Feedback A. tropical disturbances form near the poles. B. Earth's rotation is strongest near the equator. *C. the water near the equator is warmest. D. winds are weakest near the equator. Global Incorrect Feedback The correct answer is: the water near the equator is warmest. --------------------------------------------------------------------------------