Which of the following is likely responsible for algae bloom in lakes and streams?
A) increased carbon and magnesium
B) increased nitrogen and phosphorus
C) increased methane and hydrogen
D) increased mercury through biomagnification
E) increased potassium and carbon monoxide
Answer: B
You might also like to view...
The ideal texture for a soil to minimize the risk of pollution is one that
A) is very coarse, so that it drains efficiently. B) is very fine, so that it minimizes the contamination to groundwater. C) is very fine, so that it improves the ability to dissolve hazardous materials. D) is of moderate sized particles, to reduce ponding while still having some filtering capabilities.
Which of the following has the greatest number of nonbonding pairs of electrons?
A) C B) H C) He D) F E) S
Which of these four lakes could only exist if they if they received water from precipitation or runoff from the land?
A. 2 and 3 B. 1 and 4 C. 3 and 4 D. 1 and 2 E. 2 and 4
In some areas, groundwater withdrawals are not being naturally recharged. This has led some to consider groundwater to be a ________ resource
A) variable B) nonrenewable C) renewable D) perpetual E) luxury