Geography, asked by pass77320, 2 months ago

define the term oxygen​

Answers

Answered by sameer1674
0

Answer:

Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume.

Answered by arpita972
0

Answer:

a gas that you cannot see, taste or smell. Plants and animals cannot live without oxygen

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