Multiple Choice
Which of the following is TRUE of nitrogen?
A) Nitrogen is a variable gas.
B) The human body obtains the nitrogen it needs from the air.
C) There is very little nitrogen in the atmosphere.
D) The nitrogen that the human body needs is derived from food not the air.
Correct Answer:

Verified
Correct Answer:
Verified
Q33: The aurora occur primarily in the ozonosphere.
Q104: Earth rotates east to west, or clockwise,
Q121: The heterosphere is the layer of the
Q123: Which of the following is TRUE about
Q124: Which of the following statements about ozone
Q125: Natural acidic rainfall primarily results from the
Q127: The Sunʹs declination refers to<br>A)the angular height
Q129: What the the primary factors to contribute
Q130: Which of the following is TRUE of
Q131: In 1974,Dr.Rowland and Dr.Molina made what observation