Week 8: Wrap-up and Looking Ahead

Wrap-up

We have discussed the carbon and oxygen cycles. Some key points below:

Plants are the only way carbon leaves the atmosphere.

Plants are they only way we get oxygen.

Carbon dioxide enters the atmosphere through several pathways: combustion, decomposition, cellular respiration, etc. 

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Looking Ahead

Next we will be taking a test. Please review for the online session this week.