When did the supercontinent Pangaea start breaking apart?
A) 4.6 billion years ago
B) 560 million years ago
C) 180 million years ago
D) 65 million years ago
C
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As a bobbing bug approaches you in water, the waves to reach you have increased
A. speed. B. frequency. C. both of these D. none of the above
What are the main components of our weather, and how is weather related to climate?
What will be an ideal response?
What qualities are present in an endeavor that is sustainable?
What will be an ideal response?
Why is global warming expected to increase the frequency and severity of hurricanes?
A) Global warming is likely to increase the rate of terrestrial radiation. B) Global warming is likely to increase the rate of evaporation of ocean water. C) Global warming is likely to increase the latent heat of water vapor. D) Global warming is likely to decrease the total amount of water in the oceans.