If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars? a. more sugars will be produced b. no sugars will be produced c. the same number of sugars will be produced but without carbon dioxide d. fewer sugars will be produced at first, but then the plant will recover

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.