Unit Test — Unit test Answers

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21
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Which correctly lists the three factors that are used to classify the six major climate regions?

A
vegetation, geographical locations, temperature
B
temperature, land formations, precipitation
C
precipitation, temperature, vegetation
D
land formations, vegetation, geographical locations
22
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Study the diagram.What is forming in the diagram?

Question illustration
A
a front
B
a hurricane
C
a thunderstorm
D
a tornado
23

Which correctly lists three greenhouse gases?

A
oxygen, carbon dioxide, helium
B
carbon dioxide, nitrous oxide, methane
C
helium, methane, oxygen
D
methane, oxygen, carbon dioxide
24

Which statement best describes the greenhouse effect?

A
It is a process by which plants are able to grow well in a warm, enclosed structure.
B
It is a process by which greenhouse gases block the sun’s light to penetrate the atmosphere.
C
It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.
D
It is a process by which prevailing winds bring moisture to the land, to the prevailing wind direction.
25

Which definition best describes global warming?

A
a long-term change in the Earth's climate
B
a long-term increase in the Earth's average temperature
C
a long-term change in the climate of a region or a city
D
solar heat that is radiated out into space

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