Organisms affect the soil in which of the following ways?

A. by burrowing
B. through decomposition
C. by releasing nutrients
D. All of these are correct.


Answer: D

Environmental & Atmospheric Sciences

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Systolic blood pressure describes the blood pressure when

A. the heart is resting between beats B. the ventricles of the heart are contracting C. the atria of the heart are filling with blood D. the atria of the heart are contracting

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