Nicole is observing a longitudinal section of a bone. the second innermost layer of the bone appears web-like, less dense than the third layer, and is well-supplied with blood vessels. which layer of bone is she observing? periosteum compact bone spongy bone

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

What changes the stability of the element