Fertilizer Runoff
The excess nutrients provided by the fertilizer allow for rapid growth of algae and microorganisms. This fertilizer runoff can come from agricultural lands, or from residential areas.
The walls of the cell membrane is what strengthens it
Are you asking for DNA or chromosomes or something? You asked for which of the following but then dont give the following
A rock.
It could not get cancer because it is not a living organism. Hope this helps you.