An increasing global population is putting greater stress on the supply of freshwater. Which process would increase availability of freshwater? (A) sedimentation (B) condensation (C) evaporation (D) desalination​

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.