31. Explain why scientists believe the Earth developed in a series of layers.

there are different kind of layers. really hot ones and ones that it cooled down . its super cool to see. these layers could never be formed at the same time and the same conditions

Explanation:

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.

silty loam

hope this