Carbon Cycle Basics
Nitrogen Transformations
Phosphorus & Water Impacts
Human Effects
100

Plants use this to make food

Photosynthesis

100

Most nitrogen is found here 

the atmosphere

100

the main place phosphorus is stored

rocks

100

Water tuning into vapor

evaporation

200

Animals release this gas when they breathe

Carbon Dioxide

200

Do people need nitrogen to live

Yes

200

Phosphorus doesn't have this stage in its cycle

gas

200

What is rain a form of 

Precipitation

300

Dead plants and animals break down during this process

Decomposition

300

The part of an ocean with low oxygen

a dead zone

300

water running across land into rivers

runoff

400

Burning things puts this into the air

carbon

500

Things that only eat dead things

decomposers

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