Understanding the Carbon Cycle

Front

Carbon cycle

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of carbon among Earth's atmosphere, oceans, soil, and living things

Front

Photosynthesis

Back

Front

Respiration

Back

Front

Combustion

Back

Front

Decomposition

Back

of dead organisms, releasing carbon into soil and air

Front

Fossil fuels

Back

oil, and natural gas formed from ancient plants and animals

Front

Carbon sink

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or process that absorbs more carbon than it releases (e.g., forests, oceans)

Front

Carbon source

Back

or process that releases more carbon than it absorbs (e.g., factories, cars)

Front

Fill in the blank: Plants remove ______ from the atmosphere during photosynthesis.

Back

latex="CO_2">

Front

Fill in the blank: ______ is released when fossil fuels are burned.

Back

latex="CO_2">