Environmental Sciences, asked by satgur9665, 1 year ago

What do you understand by the phrase"composition of air is not always exactly the same?

Answers

Answered by Dhina2020

1

Answer:

Explanation:

It means in different places the composition of air is different.

For eg in one place the composition of o2is20•/• and at other place it is 15 °/°

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