Which two are abiotic factors that affect organisms in marine biomes?

C

Explanation:

Abiotic means not living oxygen is non living as well as salt. All the other choices have at least one biotic factor (living ) in it

Hope This Helps:)

i believe the answer is c

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.