Which of the following statements describes what would happen if the amount of energy lost each year by the Earth to space were not approximately equal to that received?
A. The sun's output would change.
B. The length of the year would change.
C. The atmosphere's average temperature would change.
D. The mass of the atmosphere would change.
Answer: C
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Which of the following would not be part of the drug discovery process?
A) learning the exact shape of various receptor sites B) changing an old drug a little and testing the new drug for activity C) random testing of new compounds for drug activity D) examining folklore for herbs and potions E) All of the above are part of the process.
On average, the individual cells that make up a whale are thousands of times larger than the individual cells that make up a small marine worm.
Answer the following statement true (T) or false (F)
Tornadoes
A) are most common in late summer. B) affect both halves of the United States about equally. C) are most likely to occur between midnight and dawn. D) are quite frequent in Oklahoma. E) all of the above
The equatorial currents are driven by
A) monsoon winds. B) the trade winds. C) salinity differences in the ocean. D) polar jet stream. E) the upper-level easterlies.