24) a predicts overall natural events in general terms, while a is a is a very specific prediction based on one circumstance.

The correct answer is: A hypothesis predicts overall natural events in general terms, while a theory is a very specific prediction based on one circumstance.

Explanation:

A hypothesis is a formed guess that can be made from an observation of a natural event, it can be supported or refuted. Meanwhile a theory is supported by previous investigation or testing to prove a specific prediction.

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.

i hope this : )