Moon 5 points
9. For a solar eclipse to occur, the moon must be in a
phase.
a quarter
b. full
C new

It would be C, a new moon.

Explanation:

A solar eclipse can only happen when the moon is in the new phase. The new moon passes between the Earth and the sun, which then makes it cast a shadow.

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.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.