Two of dr. brown's patients are in identical health, both having heart disease, diabetes, and limited physical abilities. however, one of these patients is 86 years old and the other is 56 years old. this example best points out what is meant by the term:

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.

Which of the following human activities resulted in the growth of the north american deer population?

How are fossils used to date organisms?