Front

What is the primary source of heat for the Earth?

Back

the Sun

Front

What causes differential heating across the globe?

Back

the curvature of the Earth

Front

Which regions receive more concentrated solar radiation?

Back

tropical regions

Front

What is the role of Earth's tilt?

Back

It affects the length of days and nights

Front

Albedo

Back

the reflectivity of a surface

Front

How does global circulation help regulate temperature?

Back

by redistributing heat around the planet

Front

How many large atmospheric cells exist in each hemisphere?

Back

three

Front

What happens to polar regions during their winter?

Back

they do not see daylight

Front

Why do deserts occur at similar latitudes?

Back

because of global circulation patterns

Front

What happens if there is no compensating incoming heat from the Sun in polar regions?

Back

the regions continuously lose heat