In order to photosynthesis to occur, certain reactants must be present in nature. What are the reactants necessary for photosynthesis? Group of answer choices

A. Carbon dioxide and oxygen

B. Sunlight and ATP

C. Water and Carbon dioxide

D. Carbohydrates and water

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.

it depends on how much it could carry.