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photosynthesis-land-sea

by | Feb 20, 2016 | 0 comments

Photosynthesis - The carbon dioxide and oxygen cycle that takes place. 50% by plants and trees on land and 50% by phytoplancton at sea.

Photosynthesis – The carbon dioxide and oxygen cycle that takes place. 50% by plants and trees on land and 50% by phytoplancton at sea.

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