If a plowed farm field was restored to natural prairie, we would ...

[j.rubin]

If a plowed farm field was restored to natural prairie, we would expect that
 
  A) flooding would be more common in the related watershed.
  B) more pollutants would flow into the watershed.
  C) erosion of the soil would decrease.
  D) less water would be retained in the groundwater reservoir.

Question 2

Rare earth elements and their extraction are
 
  A) used in making fertilizers and pesticides.
  B) not considered serious health risks.
  C) strictly regulated by Chinese environmental laws.
  D) hazardous to extract, a problem that is increased because of the strong global demand.

[gcook]

Answer to Question 1

C

Answer to Question 2

D