I think that the numerical expresion for this problem is 17.5
An increase in the amount of fossil fuels burned
Answer: The cell wall
Explanation: The cell wall resists overexpansion as the cell swells with water.
It seems that you have missed the necessary options to answer this question, but anyway, here is the answer. The cell walls of bacteria contain the material PEPTIDOGLYCANS. This is the <span>substance forming the cell walls of many bacteria, consisting of glycosaminoglycan chains interlinked with short peptides. Hope this answer helps.</span>
