I NEED TO TURN THIS IN 10 MIN. : How do you think the amount of atmospheric CO2 has changed in the last 550 million years and how has this affected earth's climate explain your answer.

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.

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 : )