When or where is air most likely unstable?

A) Over the poles
B) During the night
C) During the winter
D) During the afternoon
E) In stratiform clouds


Answer: D

Environmental & Atmospheric Sciences

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Human ancestors developed the tendency to walk on two legs instead of four in order to accommodate ________

A) riding elephants B) hunting and gathering food in grasslands C) picking fruit D) climbing trees in the forests E) running across hot ash beds in Tanzania

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Discuss the role of latent heat exchange in energy movements at the global scale

What will be an ideal response?

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Americans have moved to Canada for jobs, and for a better political atmosphere. In fact, in British Columbia alone there are more than (choose closest answer) ________ legal Americans residing

A) 80,000 B) 250,000 C) 640,000 D) 1,000,000

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What tectonic phenomenon formed the Hawaiian Islands?

A. hot spot B. divergent boundary C. ocean–ocean convergent boundary D. ocean–continental convergent boundary E. transform boundary

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