Join this zo0m: the id 378 869 8056 and the password is 1tyAfd

knock knock

Explanation:

amber has allowed scientists to study dna that has been preserved over millions of years.

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 : )