The force of attraction between objects that is due to their masses

I am 100% sure that this answer is gonna be Gravity because the distance and mass are the two things that can differ the "force" of one thing...Gravity.

Explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

and after water is usually warmed by the sun the water temperature raises and then evaporates .