Answer:
According to the U.S. Geological Survey, most of that three percent is inaccessible. Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.
Penicillin
Penicillin is used to fight many different types of bacteria.
<span>as you need to produce different phenotypes from the same genotype you need to regulate gene expression (turn some on, others off).</span>