Onal pull toward Which statement describes the relationship between
diagram X and Y?
O Gravity attracts only larger objects toward one
another.
O Gravity attracts larger objects only if they are close to
one another.
If the masses of the objects increase, then the force
between them also increases.
If distance between the objects increases, then the
amount of force also increases.

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.