This is NOT a variable gas:

A) water vapor.
B) argon.
C) ozone.
D) carbon dioxide.


Answer: B

Environmental & Atmospheric Sciences

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The desert vision of palm trees reflected in water is usually not reality but an example of:

A) a lunar glory. B) an inferior mirage. C) looming. D) a superior mirage.

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Road and rail networks constructed during the colonial era bear little resemblance to the distribution of population

Indicate whether the statement is true or false

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A fold that has only one dipping segment is a(n)

A. monocline. B. syncline. C. anticline.

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