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10 Cards in this Set
- Front
- Back
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How large is the eye of a hurricane cover at once? |
About 500 miles |
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What percentage of tornadoes hit in the U.S. ? |
75% |
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What is the average number of tornadoes in the U.S. each year? |
700 per-year |
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What temp. must the ocean water be to form a hurricane? |
80 or higher |
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Most deadly natural disaster in U.S. history, Where & when did it take place? |
Hurricane, Galveston Texas, Sept. 8, 1900 |
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In addition to solar energy, hat factors influence the weather? |
water vapor, cloud cover, elevation, air movement, land forms, & bodies of water |
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Which type affects the middle latitudes the most? |
convectional, orographic, Frontal movement |
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How large is the eye of a hurricane? |
Usually 10 to 20 miles across, 200mph |
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What does the the world's food supply depend on greatly? |
Top 6 inch of soil |
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list human activites that the text says affect the environment. |
Building dams, planting food/crops, & burning the vegetation |
