Which of the Following Is True About a Pollutant

Multiple Choice

Which of the following is true about a pollutant?

A) Pollutants are natural and so organisms develop adaptations to deal with them.
B) Pollutants can cause both indirect or direct damage by interrupting biochemical pathways of organisms.
C) Most pollutants are capable of causing massive mortality events for marine organisms.
D) The concentration of pollutants in the ocean has remained stable since the industrial revolution.