Exposure to certain environmental toxins, such as
pesticides, may reduce fertility in males by interfering with
their ability to produce gametes. These toxins are most
likely having an effect on the

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

One gene can influence trait(s). one trait can be determined by gene(s).

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity