What are the three parts of an atoms

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

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.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?