APES Earth Systems & Resources

Question 1

Which Earth layer is responsible for tectonic plate movement?

Accepted Answer

Asthenosphere

Answer

The asthenosphere, a semi-fluid layer in the upper mantle, enables the movement of tectonic plates.

Question 2

Which process in the rock cycle involves the transformation of rock due to heat and pressure?

Accepted Answer

Metamorphism

Answer

Metamorphism changes existing rock into metamorphic rock through intense heat and pressure without melting it.

Question 3

What is the primary source of freshwater on Earth?

Accepted Answer

Glaciers and ice caps

Answer

Glaciers and ice caps hold the majority of Earth's freshwater, making them crucial to water resource studies.

Question 4

Which natural phenomenon is most directly responsible for the seasons on Earth?

Accepted Answer

Earth’s axial tilt

Answer

The tilt of Earth’s axis causes varying angles of sunlight throughout the year, resulting in seasonal changes.

Question 5

Which of the following is a nonrenewable resource?

Accepted Answer

Coal

Answer

Coal forms over millions of years and is not replenished quickly, classifying it as a nonrenewable resource.

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