how can the interactions involving sunlight, the earths surface, and the atmosphere work together to create pressure systems that influence weather

Explanation:

when thee sun putt itss lightt in the earth first thee atmosphere will be hot .then thee earth also hott so there will a whether change.

answer: 45

explanationyou have to add as well to be it could be

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.