I wanted to get a QC job so I want to more full details of this Job! I had job that I was just stating quality control but family emergency had to get out the state

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.