How does the use of hydroelectric energy compare to the use of coal?

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half