Why did the Zhou kings use the idea of the Mandate of Heaven? A. to persuade their people to believe that the gods favored their rule

B. to replace the Shang idea of dynastic cycles with their own favorable concept
C. to convince the gods to strengthen and protect their new dynasty
D. to provide an explanation for famines and other natural disasters

the correct answer is - ability to find a mate

"do a testcross with a homozygous recessive plant."

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 : )