Question

which of the following are two mechanisms for water pollution?
a. high and low
b. direct and indirect
c. lethal and nonlethal
d. harmful and innocuous
please select the best answer from the choices provided.
a
b
c
d

Explanation:

Water pollution mechanisms are categorized as direct (pollutants discharged directly into water) and indirect (pollutants entering water through other means like runoff). Options A, C, and D do not refer to standard pollution mechanisms.

Answer:

B. direct and indirect