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Setler79 [48]
3 years ago
11

Which organisms produce about half of the oxygen on earth answers?

Biology
2 answers:
Rufina [12.5K]3 years ago
8 0

Answer:

Phytoplankton in the oceans.

Explanation:

The unicellular organisms with green pigment add to the oxygen quantity in the earth's atmosphere through photosynthesis.

Ksenya-84 [330]3 years ago
3 0
The answer is Plankton








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