Which activities are examples of science challenging society? Check all that apply

-mining of coal for energy
-cloning for organ transplants
-Creating laws and regulations
-researching use of stem-cells
-using electricity

the answer is all except
creating laws and regulation

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.