The enzyme pepsin functions with a very low pH of around 2. It is found in the stomach, with the acidity coming from the hydrochloric acid present there. it breaks proteins into amino acids.
<span>Mutations that increase fitness is type of mutations do scientists look for in a molecular clock. </span>
Answer: rising sea levels, increased agricultural productivity worldwide, increased storm frequency and intensity, worsening health disease and their impacts
Explanation:
