Front

Why is it better to obtain energy from natural gas instead of coal and oil?

Back

Natural gas produces less pollution.

Front

What is another term for the heat produced inside Earth?

Back

Geothermal energy.

Front

What two factors affect the ocean's density and cause the Global Conveyor Belt to travel?

Back

Temperature and salinity.

Front

What is the advantage of burning coal to generate electricity?

Back

Coal is an inexpensive source of energy.

Front

What type of breeze occurs when cool air moves from the land to the sea?

Back

Land breeze.

Front

What is the term for energy derived from the sun?

Back

Solar energy.

Front

What is the process called when water vapor turns into liquid water?

Back

Condensation.

Front

What is the main gas responsible for the greenhouse effect?

Back

Carbon dioxide (CO2).

Front

What is the term for the movement of air from high pressure to low pressure?

Back

Wind.

Front

What is the name of the large-scale ocean current system that affects global climate?

Back

Global Conveyor Belt.