Quote:
Originally Posted by X-Treme
Ummmm....not AT ALL true. Plants NEVER EVER output CO2. They USE CO2 to create O2, however with no light, there is no photosynthesis, therefore no O2 output from plants.
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http://van.physics.uiuc.edu/qa/listing.php?id=848
I'd be tempted to say that plants are constantly outputting co2. During the day time it's outweighed by the output of o2 from photosynthesis.
Sorry for the off topic.....