carbon cycle

Front

What is CO₂?

Back

Carbon Dioxide

Front

Which of the following are fossil fuels?

Back

Coal, Oil, Natural Gas

Front

Carbon moves from fossil fuels to the atmosphere when fuels are burned.

Back

True

Front

Which of the following removes carbon dioxide from the atmosphere?

Combustion

,

Respiration

,

Photosynthesis

,

Death

Back

Photosynthesis

Front

If the plant population decreased, the amount of carbon in the atmosphere would ____________________. Options: Increase, Decrease, Stay the same

Back

Increase

Front

Is all of the carbon in existence continually recycled in the carbon cycle?

Back

True

Front

Combustion is another word for __________.

Back

Burning

Front

Carbon can be found in...

Back

All of the above

Front

How does the human body return carbon to the atmosphere in the carbon cycle?

Back

Cellular respiration

Front

If a forest fire occurs, what will happen to the carbon stored in the forest?

Back

Much of it will be released into the atmosphere as carbon dioxide