Chemistry, asked by Gurrie810, 9 months ago

The upper part of the heterosphere is composed almost completely of which gas?
A) Ozone B) Nitrogen C) Oxygen D) Hydrogen

Answers

Answered by hritiksingh1
6

Answer:

D)correct option HYDROGEN

Answered by shwetabhat05
0

Answer:

D) Hydrogen

Explanation:

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