A rapid change in salinity with depth is called a ________.
A. halocline
B. pycnocline
C. photic level
D. midwater current
E. thermocline
Answer: A
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A falling skydiver of mass 100 kg experiences 500-N air resistance. The acceleration of the skydiver is
A) 0.2 g. B) 0.3 g. C) 0.4 g. D) 0.5 g. E) more than 0.5 g.
The most important control on annual average temperature and temperature range is
A) distribution of land and water. B) altitude. C) sea-surface temperatures. D) ocean currents. E) latitude.
As we burn fossil fuels and release carbon dioxide, the temperature of our planet and the oceans will increase. When the oceans warm they will release more carbon dioxide, further warming the planet and oceans
If this occurs rapidly and causes a sudden rise in temperature, a(n) ________ has been crossed and that the planet has moved into a state of ________. A) input level; equilibrium B) input level; disequilibrium C) threshold; equilibrium D) threshold; disequilibrium
The time difference between Chicago and Greenwich, England is _______________ hours (include plus or minus hours)
Fill in the blank(s) with correct word