Chemistry, 26.01.2021 02:40 phillipselijah2

Please help Composition of the atmosphere
What percentage of Hydrogen is present in the hydrosphere?

State the percentage of oxygen by mass present in the following:
Crust
Hydrosphere
How much nitrogen by percentage is found in the troposphere?

State the percentage of oxygen in the troposphere.

List three gases that make up the early atmosphere.

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Please help Composition of the atmosphere
What percentage of Hydrogen is present in the hydro...

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