11. What does this graph suggest will happen to human population in the future?
Human Population Growth
Population (in billions)
Year
a. Growth will slow down.
b. Growth will stop and the population remain steady.
c. The population will decrease slowly.
d. The population will decrease rapidly.

i would say it is

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 : )

a and c are the answeres