AP Environmental Science : Earth Science

Study concepts, example questions & explanations for AP Environmental Science

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Example Questions

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Example Question #1 : Seasons

Ecosystems experience seasonality differences throughout the year. Some regions experience four seasons, while others only experience two season. Why do we experience seasons on Earth?

Possible Answers:

global climate change

tilt of the Earth

gravitational pull of the Sun

gravitational pull of the moon

Correct answer:

tilt of the Earth

Explanation:

The correct response is tilt of the Earth. The Earth is tilted at an angle of 23.5 degrees. This tilt allows seasonal differences to exist on the Earth since each region is pointing towards the Sun at different angles throughout the year. 

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