asked 112k views
3 votes
Is oxygen man made or natural​

2 Answers

2 votes
It is natural. We actually take in oxygen. Plants create oxygen.
answered
User Cam Tullos
by
8.3k points
6 votes

Answer:

Natural

Step-by-step explanation:

It appears naturally such as in our atmosphere.

answered
User Michael Lenzen
by
8.7k points

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