Are you looking for the term for a chemical pollutant?
Answer:An amoeba uses asexual reproduction to reproduce using a process of binary fission.
<span>There are a small number of boys who, after possibly contracting mumps, could experienced decreased fertility in the future. Giving a mumps vaccine, since it's a weaker version of the virus, will allow the body to fight it off without the negative effects that could come with a full version of the illness.</span>