vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
Only plants have chloroplast and a cell wall
Answer:
Option A 0% seems to be the answer
Explanation:
if not B then A
There is much more fresh water underground than on the surface. A rock layer must be porous and permeable to be a good aquifer. An impermeable layer makes up the bottom of an aquifer. The water table rises and falls with additions or subtractions to the groundwater system.
