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Gardening Forums
Trees, Shrubs and Hedges
The math doesn't add up
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[QUOTE="Cereus, post: 41400, member: 1723"] Well, we have other plants that contribute with making potable air for humans. The atmosphere that we breath is pretty much 80% Nitrogen and 20% Oxygen. Besides most of our oxygen comes from phytoplankton which live out in the ocean. Even if our trees are depleted, we still have entire oceans of little critters and plants that photosynthesize and create oxygen. [/QUOTE]
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Gardening Forums
Trees, Shrubs and Hedges
The math doesn't add up
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