Which is NOT a factor in mass movement? The weight of the material.
The material's resistance to sliding (particle shape)
The presence or absence of water.
The age of the material.

the age of the material

hope im right

Explanation:

i googled it

i don’t no. suiopgohjk

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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