Why is the cliff worn away the most near or under the level where the water is? a. because fish and animals who live in the water tear up the cliff b. because changes in temperature are greater in the water c. because the moving water is what wears away the cliff d. because the cliff is softer beneath the water line

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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so whats the answer

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what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

density and pressure