is/are used by the body to synthesize Vitamin D, maintain the proper functioning of nerve cells, keep skin soft and supple, and transport fat to cells.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?