It would be C but its been a while since i took this class so sorry if im wrong but im 80% sure its C
Answer:
What is the name of this website
or the book?
During the process of biological magnification , the concentration of pollutants, such as DDT or mercury, is multiplied as it passes up a food chain.
Classifying things by observation can best be done by using a : Taxon
Taxon divided organisms into different groups based on their unique similarities, which is the best way to classify things if you're doing it by observation.
