Which sentence about galaxies provides evidence of universe expansion that supports the Big Bang Theory?

the universe is cooling down and Galaxies have been spreading further apart since the big bang

Explanation:

hope it helps, i made this up from memory from the space shows my dad's been watching...

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

happy to

pls mark as brainliest

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.