Why are fossil fuels considered nonrenewable resources? A. They form quickly due to decaying biomass. B. They require both sunlight and water to form. C. They cannot be used to create electricity. D. They take millions of years to form.

B

Explanation:

Just go with it.

It's Right.

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.