What are the primary sources of oxygen on the planet.

MadSci Network: Environment & Ecology

Subject: What are the primary sources of oxygen on the planet.

Date: Thu Oct 21 23:25:10 1999
Posted by Ron Hamilton
Grade level: nonaligned School: Emery Riddle
City: Austin State/Province: Tx Country: USA
Area of science: Environment & Ecology
ID: 940562710.En

Message:


What % of Earth's oxygen comes from the rain forests?  From the oceans?  
Does evaporation contribute?

Office bet riding on your responses.

Re: What are the primary sources of oxygen on the planet.

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