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.

---

Definitions:

Fixed Caliper

Disc brake calipers that are mounted directly to the steering knuckle. Each piston receives equal fluid pressure and pushes on a brake pad. This type of caliper is used mainly in high-performance applications.

Sliding Caliper

A type of floating disc brake caliper that is mounted on sliding keyways.

Disc Brakes

A type of brake system where brake pads apply pressure to a disc or rotor attached to the wheel, slowing or stopping the vehicle.

Drum Brakes

A type of brake that uses friction caused by a set of shoes or pads that press outward against a rotating cylinder-shaped part called a drum.