Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?(1 point)

Its mass fluctuates greatly.

Its temperature fluctuates greatly.

Its mass is uniform.

Its temperature is uniform.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

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 : )

the answer would be..

b. sucking

i won't lie i don't know so go online and ask google thats what i do