What is responsible for increasing a beach's slope?
A) The swash
B) The backwash
C) The biological activity
D) The berm crest
A
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Which of the following statements about ozone is true?
A. Ozone in the troposphere is a pollutant. B. Ozone is generated from photochemical reactions of hydrocarbons. C. Ozone in the stratosphere is beneficial. D. none of the above E. both a and b
The largest share of U.S. waste is
A. agriculture. B. municipal. C. industrial. D. mining.
Why is carbon monoxide sometimes called the silent killer?
What will be the ideal response?
Where warm, moist, unstable mT air seldom penetrates, such as along the west coast of the United States
A) there are many thunderstorms B) there are very few thunderstorms C) there is no humidity in the air D) there is an excess of humidity in the air