Nutrients tend to be liberated by decomposition of organic matter at depth and returned to the surface by the physical processes of vertical circulation.
Answer the following statement true (T) or false (F)
True
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Which of the following areas received the largest number of slaves between 1492 and 1870?
A) the Danish Caribbean
B) Spanish America
C) the French Caribbean
D) the British Caribbean
E) Brazil
Why does the moon have more of an impact on tides than the sun?
A) The size of the moon is more in balance to Earth B) The distance of the moon is closer C) The sun has more power over the tides than the moon D) None of these choices
New genetic traits upon which natural selection can act usually arise from ________
A) the need to become adapted to a new environment B) mutations C) the demands of the environment D) increases in cell size and shape
Where on the following world map are the highest salinities?
A. A B. B C. C D. D