Answer:
The action or process of accumulating, state of being or having accumulated, a collecting together. Repeated exposures to a chemical or drug may result in the progressive increase of its concentration in an organism, organ or tissue.
Explanation:
collecting
basically the accumulation of elements and compounds of harmful substances in the tissues of living organisms
A ) DNA screening
mutations changes up your DNA
D. It release hormones into the bloodstream.
I think.
