2. The atmosphere is within 300 miles thick, but most of it is within 10 miles of the surface os the earth.
3. The air pressure within the earths surface is 10 pounds per square inch.
4. Troposphere thickness is the lowest region in the earth and the altitude increases.
5. Stratosphere is 11 and 31 miles above the earth's surface and it reaches lower.
6. As the altitude decreases then stratosphere increases.
7. The earth was formed by planetary degassing.
8. Since the earths formation life has modified the earth.
9. The atmosphere is mostly made out of different gases.
10. nitrogen is important to life processes.
11. Oxygen is the second most gas in our atmosphere.
12. Oxygen is good for time to time and place to place.
13. Carbon dioxide is the third most gas in our atmosphere and its good to keep the earth warm.
14. The gas that is forth in the atmosphere is argon.
15. The other non- gases that are in the atmosphere are water vapor, dust particles, and ozone.
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