I think it’s A (low water content foods)
Sewage holds toxic microbes and contains a mixture of suspended impurities. When these impurities hit drinking water microorganisms begin to deteriorate the water, and uses up the dissolved oxygen with the microorganisms, making these water dangerous to drink from. Major impacts of this can include giardia, salmonella, cryptosporidium, and E. coli.
Start with the one that you know better the beginning of essays are hakf the tine awkward anyway.
The third option, destroying cells
Answer:
The first line of defense involves skin.
