The Carbon Cycle

Front

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

Back

the Carbon Cycle

Front

What gas is released into the atmosphere during a forest fire?

Back

carbon dioxide

Front

Organisms that do not decompose can be buried and become what?

Back

fossil fuels

Front

Which process removes carbon from the atmosphere?

Back

Photosynthesis

Front

Which food source would contribute to climate change the least?

Back

Corn

Front

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

Back

Photosynthesis

Front

What role do decomposers play in the carbon cycle?

Back

They break down dead organisms, returning carbon to the soil and atmosphere.

Front

What is the effect of combustion on carbon levels in the atmosphere?

Back

Combustion increases carbon dioxide levels in the atmosphere.

Front

What is the significance of fossil fuels in the carbon cycle?

Back

Fossil fuels store carbon that was once part of living organisms.

Front

How does respiration contribute to the carbon cycle?

Back

Respiration releases carbon dioxide back into the atmosphere.