Describe the method by which an electric potential develops in generators and thermal couples

This is a type pf behavior that animals are born with and them to survive

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.