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
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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
Discuss the role of latent heat exchange in energy movements at the global scale
What will be an ideal response?
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
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