History, asked by Anonymous, 8 days ago

What is Oxygen? why it is necessary and What is Discord? Varshu Unnie

Answers

Answered by JanhaviL

Answer:

oxygen is a gas by which we take breath

Answered by sugathealien

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. In the air, two oxygen atoms usually join to make dioxygen (O.

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