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3 votes
Which organism is able to make its own oxygen gas?

OA. A goldfish
OB. An oak tree
OC. A yeast cell
OD. An earthworm

User Meeka
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2 Answers

5 votes
An oak tree because trees produce oxygen anyway
User Cameron Bieganek
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1 vote
on oak tree bcz it turns carbon dioxide into oxygen i thibk
User Son Tran
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