Which statements about heat are true?

choose all answers that are correct.

a.
heat moves from a warmer location to a cooler location.

b.
heat causes all matter to feel warm.

c.
heat is the same thing as thermal energy.

d.
heat transfers between objects until both objects are the same temperature.

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.

In what ways does a sanitary landfill differ from an open air landfill?

Which planet descriptor does not apply to jupiter saturn uranus and neptune plz hurry