What factor causes the majority of flooding to most midwestern rivers (e.g., Ohio River)?
A. long term rainfall
B. structural failures of dams
C. rapid snow melt
D. brief, heavy storms
Answer: D
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You drop a big fluffy pillow from the roof of your building. During its long fall to the ground its acceleration
A. increases. B. remains the same. C. decreases. D. not enough information
Which of the following staple (basic food) crops is incorrectly located?
A. wheat and barley in southwestern Asia B. rice and millet in China C. corn, squash, beans, potatoes, tomatoes and papers in the Americas D. watermelon and black-eyed peas in Africa
A hurricane typically
A) forms over relatively cool ocean waters. B) is a cold-core cyclone. C) contains bands of precipitating clouds that spiral clockwise in the Northern Hemisphere. D) has temperatures near its center that are much higher than surrounding temperatures.
The most desirable method of dealing with hazardous wastes is ____.
A. incineration B. conversion to less hazardous materials C. perpetual storage D. deposit in ocean trenches E. recycling and reusing hazardous wastes