The population of the United States is aging
Indicate whether this statement is true or false.
TRUE
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Waves with the greatest celerity, or speed, ____
A) ?have the longest wavelengths B) ?occur in shallow water only C) ?form when the wind is blowing less than 0.5 nautical miles per hour D) ?have the shortest wavelengths
What is the main difference between the A horizon and the C horizon?
A) particle size B) organic content C) clay content D) silica content
Which of the following is NOT a measure of water vapor in the atmosphere?
A) Dew point B) Absolute humidity C) Specific humidity D) Potential evapotranspiration E) Relative humidity
Many politicians and others have advocated that the U.S. reduce its dependence on oil by increasing its domestic drilling program. What are the prospects for this and the correct reason?
A. Poor, because the U.S. has so little of the world's proven oil reserves. B. Excellent, because oil production from shale is guaranteed to increase dramatically and last for decades. C. Excellent, because ANWR will produce several billion barrels once it is developed. D. Not necessary, because the U.S. has such a large share of the world's proven oil reserves.