The Carbon Cycle

Front

CO2 is the abbreviation for _______.

Back

carbon dioxide

Front

When plants and animals die they are buried and converted into fossil fuels (oil, gas, etc.) over time.

Back

True

Front

Humans breathe in ____ and breathe out ____.

Back

oxygen, carbon dioxide

Front

The process of carbon cycling from the atmosphere, into living organisms and back is called the ____.

Back

Carbon Cycle

Front

Part of a cycle that holds an element for a long period of time is called a(n) ____. Options: lake, reservoir, source, reserve.

Back

reservoir

Front

Do animals release carbon dioxide when they respirate (breathe)?

Back

True

Front

During photosynthesis plants release carbon dioxide.

Back

False

Front

Anything that releases CO2 into the atmosphere is called a ___.

Back

source

Front

Anything that absorbs and holds CO2 from the atmosphere is considered a ___.

Back

sink