Question

If there were no living organisms on Earth, the oxygen content in the atmosphere would be

a) unchanged
b) approximately 100%
c) almost nonexistent
d) approximately 50% of the total.​

Answer 1

Answer:

Unchanged

Explanation:

approximately 50% of the total.

Answer 2

Answer:

If there were no living organisms on Earth, the oxygen content in the atmosphere would be

c) Almost Non existent.

Because plants also come under the category of living organisms and if they would not be there then no production of oxygen would take place.

Hope the answer helps you