explain how Pangea, the fossil record, and the theory of plate tectonics help show how earth has changed over billions of years.

i believe the answer is c

there’s no image attached but i can if you want: )

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.