What group of organisms remove carbon
dioxide from the atmosphere?
a. bacteria
b. fungi
c. green plants

C green plants

Explanation:

plants use CO2 from the atmosphere in order to synthesize organic compunds like glucose in the dark reactions of the photosynthesis(Calvin cycle)

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.