Match the causes of soil erosion with the soil conservation practice intended to reduce that erosion.Slope of the land surface:
A. Keep soil covered
B. Contour plowing
C. Provide shelter for fields
D. Return organic matter to soil
Answer: B
Environmental & Atmospheric Sciences
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About ____________________ % of the electricity used in the United States is produced by burning coal
Fill in the blanks with correct word
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This is an example of a
A) positive feedback. B) negative feedback. C) boundary condition. D) proxy indicator.
Environmental & Atmospheric Sciences
The wisest course to take when confronted with an approaching tornado is to ____________________
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
Which of the following is not a property of soil clay?
A) It occurs as thin laminar sheets. B) It is made primarily of silt. C) It is colloidal in size. D) Many chemical reactions occur on its surfaces. E) It is able to hold water to itself.
Environmental & Atmospheric Sciences