Which of the following is true of nitrogen?
A) The human body obtains the nitrogen it needs from the air.
B) There is very little nitrogen in the atmosphere.
C) Nitrogen originates principally from volcanic sources.
D) Nitrogen is a variable gas.
E) Nitrogen fixed by bacteria rarely returns to the atmosphere.
Correct Answer:
Verified
Q32: Despite its high temperatures,why would the thermosphere
Q33: Q34: The high temperature in the upper thermosphere Q35: Oxygen (O2)is Q36: The tropopause altitude is highest because of Q38: Which of the gases listed below has
A)is
A)a gas which principally originates from
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