The disruption of sediment by feeding and burrowing organisms is called ________.

A. tilling
B. respiration
C. sediment exchange
D. bioturbation


Answer: D

Environmental & Atmospheric Sciences

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Lithogenous sediment is ________.

A. always found at depths over 4500 m B. always associated with deep-sea trenches C. derived from rock D. derived from the chemistry of the water E. derived from plants and animals

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The term eccentricity refers to Earth's orbit

Indicate whether the statement is true or false

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What is the best way to deal with the problem of soil salinization?

A. Grow less water-intensive crops. B. Flush well-drained fields with water. C. Install underground drainage systems in fields that don't drain well. D. Use low-till cultivation practices.

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If a person sees a rainbow in the morning, they are facing west, toward the rain shower, and it is likely that the clouds and showers will move away from them

a. True b. False

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