Which of the Following Statements About Soil Erosion Is Not

question 21

Multiple Choice

Which of the following statements about soil erosion is not true?

• A)Soil erosion losses per hectare of cropped land are higher in Asia and Africa than the United States.
• B)The rate of soil erosion loss in the United States declined from 1980 to 1995.
• C)Downstream off-site costs of erosion are often higher than those in upstream fields from which the soil came.
• D)Soil erosion losses of potassium exceed those of nitrogen and phosphorus.
• E)Less than 20 percent of the total soil erosion in the United States comes from croplands.

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Definitions:

Piaget

A Swiss psychologist known for his theory of cognitive development, suggesting that children move through a series of stages as they grow and learn.

Succeed

To achieve a desired goal or endeavor, often through effort or skill.

Equilibration

The creation of an equilibrium, or balance, between assimilation and accommodation as a way of incorporating new events or knowledge.

Cognitive Dissonance

A psychological discomfort experienced when holding two or more conflicting cognitions, beliefs, or values simultaneously.