What is the meaning of gravity

gravity is the force that pulls all objects on earth towards the center of earth

Explanation:

Explanation:

1 : a force of attraction that tends to draw particles or bodies together.

2 : the attraction of bodies by the force of gravity toward the center of the earth.

3 : great seriousness.

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.

the growth of the plants is affected by the heat of the light. what is the student doing?