THIS IS EARTH SCIENCES If are spaced closely together on a map, there is a drastic temperature change over a distance.
A. Isobars
B. Warm fronts
C. Isotherms
s D. Occluded fronts

B:warm fronts

Explanation:

It is warm fronts because the closer it is the warmer it is and the farther it is colder.

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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