Unit Test — Cumulative exam

Question 1

Which is most likely a source of air pollution?

Revolt · Accepted Answer

CFCs

Question 2

Why is the Continental Divide important?

Revolt · Accepted Answer

It separates two major watersheds.

Question 3

How does water heat Earth?

Revolt · Accepted Answer

Water carries heat from the equator toward the poles.

Question 4

What happens when the Sun emits more energy than normal?

Revolt · Accepted Answer

Solar flares and sunspots occur, increasing Earth’s temperature.

Question 5

Which is one way that spring tides are different from regular tides?

Revolt · Accepted Answer

They are extra-high tides and extra-low tides.

Question 6

How can the process of climate change best be described?

Revolt · Accepted Answer

natural and continuous

Question 7

How is an occluded front different from a cold front?

Revolt · Accepted Answer

Warm air is pushed up during an occluded front, while cold air moves quickly during a cold front.

Question 8

The image shows a cross section of a landscape and a well.

Revolt · Accepted Answer

3

Question 9

Which process is involved in growing crops?

Revolt · Accepted Answer

irrigation

Question 10

Which statement best describes a characteristic of maritime polar air masses?

Revolt · Accepted Answer

They form over water with cool, moist air.

Unit Test — Cumulative exam Answers