The three stable (i.e., nonvariable) gases in the atmosphere, in order of abundance from most to least, are
A) carbon dioxide, argon, oxygen.
B) oxygen, carbon dioxide, argon.
C) nitrogen, oxygen, argon.
D) oxygen, argon, nitrogen.
C
Environmental & Atmospheric Sciences
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Light from a candle has a certain brightness 1 m away. At 2 m away its brightness is
A. one-quarter as much. B. half as much. C. practically the same. D. uncertain.
Environmental & Atmospheric Sciences
Which is a type of a plate boundary?
A. transform B. convergent C. divergent D. All of these choices are correct.
Environmental & Atmospheric Sciences
On average, how rapidly does water move in an aquifer?
A. water table stays the same B. centimeters to meters per day C. 10s to 100s of meters per day
Environmental & Atmospheric Sciences
The rise of the surface of the crust after removal of glacial ice is known as isostatic rebound.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences