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

Environmental & Atmospheric Sciences

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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

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____________________ is largely responsible for developing the principle of fossil succession (also called the

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