Humus is associated with a ________
A) light color
B) low cation exchange capacity
C) "hard" consistency
D) dark, gelatinous consistency
E) low soil fertility
Answer: D
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Compared to most stellar objects, quasars are more
A) distant. B) energetic. C) puzzling. D) all of these E) none of these
____________________ is largely responsible for developing the principle of fossil succession (also called the
principle of faunal succession). Fill in the blank(s) with the appropriate word(s).
Lacrosse was adopted by European immigrants
A) who didn't have smooth playing fields to roll balls along. B) from Iroquois players. C) working in factories. D) attending college in the American Northeast. E) who wanted to invent a new sport.
Upwelling zones are frequently dead zones because high nutrients produce biologic activity leading to anoxic water conditions
Indicate whether the statement is true or false