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Q: The atmosphere only contains what percentage of total global carbon ?
  • A. 1 percent
  • B. 0.1 percent
  • C. 10 percent
  • D. 20 percent
Correct Answer: Option A - Carbon di-oxide is only found up 30 km of altitude from the earth's surface. It is an important gas of atmosphere the amount of carbon di-oxide present in atmosphere is 0.036% and the atmosphere contains 1% of total global carbon. But in recent decades due to combustion and other man-made process the concentration of Co2 is rising.
A. Carbon di-oxide is only found up 30 km of altitude from the earth's surface. It is an important gas of atmosphere the amount of carbon di-oxide present in atmosphere is 0.036% and the atmosphere contains 1% of total global carbon. But in recent decades due to combustion and other man-made process the concentration of Co2 is rising.

Explanations:

Carbon di-oxide is only found up 30 km of altitude from the earth's surface. It is an important gas of atmosphere the amount of carbon di-oxide present in atmosphere is 0.036% and the atmosphere contains 1% of total global carbon. But in recent decades due to combustion and other man-made process the concentration of Co2 is rising.