Which of the following is TRUE of nitrogen?

A) There is very little nitrogen in the atmosphere.
B) The human body obtains the nitrogen it needs from the air.
C) The nitrogen that the human body needs is derived from food—not the air.
D) Nitrogen is a variable gas.


C

Environmental & Atmospheric Sciences

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Answer the following statement true (T) or false (F)

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The Palisades sill is a Cretaceous age basaltic intrusion associated with compressional mountain

building. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Earth is about ________ years old.

A. 50 million B. 3,500 million C. 13.5 billion D. 4.5 billion E. 30,000 thousand

Environmental & Atmospheric Sciences

The original Fujita scale, implemented in 1971, was based mainly on tornado damage incurred by a(n) ____________________

Fill in the blank with correct word.

Environmental & Atmospheric Sciences