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Mim
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Subject: hum
Yes okay.

The side note people tend to forget is that plants do photosynthesis during the day with the sun light, absorbing CO2 and releasing O2, but switch into respiration during the night -that is, take up O2 and release CO2 just like us.

Forests are not the main pulmons of our planet. Oceans are.

Time Posted: October 25 2011 06:07 pm EDT
Last updated: October 26 2011 01:47 pm EDT


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