Question 2 (2 points)
In which direction is there a net force of 200 N?
300 N
200 N
400 N
300 N

right

Explanation:

i think because there is a net force of 400 but there is a  net force of 200 on the other side so, 400-200 = 200

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.