Body cells are known as somatic cells.
how does one somatic cell compare to the other somatic cells of an individual organism?
a)they contain the same genetic information and descend from the same cell.
b)they contain completely unique information and descend from the same cell.
c)they are all completely different from each other.
d)they are all exactly identical to each other.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.