Which of the following is an example of the theme from geography: human-environmental interaction? 1. Deforestation

2.Talking to neighbors

3.Going shopping

4.Watching TV

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.