It was cloudy and stormy in the morning but clear and sunny in the evening. Which statement describes the change in the weather condition throughout the day that would cause this change in weather? A) A decrease in temperature
B) A change in precipitation form
C) An increase in pressure
D) A change in wind direction

C

Explanation:

An increase in pressure means fairer weather

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.