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Is oxygen man made or natural​
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3 votes
Is oxygen man made or natural​

User Mbilyanov
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2 Answers

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

Answer:

Natural

Step-by-step explanation:

It appears naturally such as in our atmosphere.

User Michael Lenzen
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8.7k points
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