The Toxicity of Marine Pollutants Is Estimated By

Multiple Choice

The toxicity of marine pollutants is estimated by:

A) calculating the concentration at which 50% of the test organisms die.
B) determining the length of time that the pollutant remains in the environment.
C) determining the total biomass of affected organisms in the environment.
D) estimating the number of trophic transfers in the food web affected by the pollutant.
E) the EPA.