What is the relationship between a sedimentary rock and deposition?

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

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.