Explain why South
What will be an ideal response?ern Hemisphere summers are not warmer than Northern Hemisphere summers.
ANSWER: ?We know Earth comes nearer to the Sun in January than in July. Even though this difference in distance amounts to only about 3 percent, the energy that strikes the top of Earth's atmosphere is almost 7 percent greater on January 3 than on July 4. These statistics might lead us to believe that summer should be warmer in the Southern Hemisphere than in the Northern Hemisphere, which, however, is not the case. A close examination of the Southern Hemisphere reveals that nearly 81 percent of the surface is water compared to 61 percent in the Northern Hemisphere. The added solar energy due to the closeness of the Sun is absorbed by large bodies of water, becoming well mixed and circulated within them. This process keeps the average summer (January) temperatures in the Southern Hemisphere cooler than summer (July) temperatures in the Northern Hemisphere. Because of water's large heat capacity, it also tends to keep winters in the Southern Hemisphere warmer than we might expect.
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A. decreases. B. increases. C. is unaffected. D. none of the above
Where was India located during most of the Mesozoic?
A) The Southern Hemisphere B) Connected with Africa and Antarctica C) Part of the supercontinent of Gondwana D) All of these are correct. E) None of these are correct.
Deposits in western North America and central Europe that indicate arid conditions on the Pangaea supercontinent
include ____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).
Compared to the surrounding countryside, cities are generally ____
a. colder b. warmer c. not different in temperature d. colder in summer but warmer in winter e. warmer in summer but colder in winter