Front

Ocean coral and oysters use carbon to create _________.

Back

shells

Front

Combustion is another word for _______________.

Back

burning

Front

The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.

Back

the Carbon Cycle

Front

Since the mid-1800's, _____________ activity has significantly altered the carbon cycle.

Back

human

Front

_____________ is an essential element of all living creatures.

Back

Carbon

Front

What is the primary process by which plants absorb carbon dioxide from the atmosphere?

Back

Photosynthesis

Front

What role do oceans play in the carbon cycle?

Back

Oceans absorb carbon dioxide from the atmosphere and store it.

Front

What is the effect of deforestation on the carbon cycle?

Back

Deforestation reduces the number of trees that can absorb carbon dioxide.

Front

What is respiration in the context of the carbon cycle?

Back

Respiration is the process by which living organisms release carbon dioxide back into the atmosphere.

Front

How do fossil fuels relate to the carbon cycle?

Back

Burning fossil fuels releases stored carbon back into the atmosphere.