Water quality testing would be the best approach.
Bromothymol blue is used as an indicator in many laboratory reactions.<span> This is a dye that is considered to be pH sensitive</span>
Pretty sure it's D, hope I helped
Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
Explanation:
C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.