Elle wanted to test how temperature affects the rate of evaporation. she had three setups: setup 1: elle placed a container with 1 cup of water at room temperature (25°c). setup 2: elle placed a container with 1 cup of water in a warm room (45°c) setup 3: elle placed a container with 1 cup of water in a cold room (0°c).

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.

20 the main source of energy for our planet comes from the

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings