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OpenStudy (anonymous):

Which protist group produces much of the oxygen on Earth

OpenStudy (zale101):

Algae produces much of the oxygen on Earth. Welcome to OS @DEEDEE2013 and i believe this is a biology question, you're in the English section right now :)

OpenStudy (anonymous):

my bad. I am new to this website.

OpenStudy (zale101):

That's alright, it happens often :)

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