Plants grow towards the sun due to the chemicals produced inside of their stems.
Answer:
the black fly goes on the top right. the grey fly goes on the bottom left
Answer:
Areas where the myelin sheath has degenerated
Explanation:
Multiple sclerosis is a disease of the nervous system where the myelin sheath is damaged, and impairs its ability of conducing signals in the affected nerves, causing serious deficiencies in many life aspects (movements, sensations, cognition etc).
I may be wrong but maybe oil
