The overuse of antibiotics has led to a) the extinction of viruses. b) the extinction of bacteria. c) new antibiotic-resistant populations of viruses. d) new antibiotic-resistant populations of bacteria.

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true

Everything that surrounds a particular organism

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d