In the time span between pre-European settlement to the present, the United States has lost approximately 50% of its wetlands. Which of the following is NOT a contributing cause?

A. The value of wetlands was not recognized.
B. Wetlands were considered unhealthy.
C. The wetlands were drained for development or farming.
D. Wetlands were used as parks and wildlife refuges.


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

Increased cloud cover resulting from warming temperatures may lead to either cloud albedo forcing or cloud greenhouse forcing

Cloud albedo forcing is an example of a ________ feedback loop and cloud greenhouse forcing is an example of a ________ feedback loop. A) negative; positive B) positive; positive C) positive; negative D) negative; negative

Environmental & Atmospheric Sciences

Nearly all beach sand is quartz

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following fatty acids is(are) likely to be found in a triglyceride?

A) CH2(CH2)15COOH B) CH3(CH2)24COOH C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

What is the primary structural constituent in plant tissues?

A) starch B) protein C) chlorophyll D) cellulose E) enzymes

Environmental & Atmospheric Sciences