avanoel16
avanoel16 avanoel16
  • 19-10-2018
  • Biology
contestada

can someone help with this earth science?

can someone help with this earth science class=

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davidaagurto
davidaagurto davidaagurto
  • 20-10-2018

2. The troposphere is the first layer above the surface and contains half of the Earth's atmosphere.

3. nitrogen

4. hydrogen and oxygen

5. 2.09%

6. 20.95%

7. 2.33%

8. titanium at 0.61%

that's all i can type for now


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