Chemistry, 26.01.2021 02:50 stodd9503

Please help answer these question Composition of the atmosphere
1. What percentage of Hydrogen is present in the hydrosphere?

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

4.State the percentage of oxygen in the troposphere.

5. list three gases that make up the early atmosphere.

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Please help answer these question Composition of the atmosphere
1. What percentage of Hydroge...