The word I think they use is A mass.
The Discovery<span> of Radioactivity. In 1896 </span>Henri Becquerel<span> was using naturally fluorescent minerals to study the properties of x-rays, which had been</span>discovered<span> in 1895 by Wilhelm Roentgen</span>
I would say B, as morality is knowing the difference between right and wrong, and I think A would be an ethical issue
a mutation inhibiting human immunodeficiency virus from entering the host cell. This means that the person who has this gene is unable to contract HIV which is beneficial
Hope this helps!
-Payshence xoxo
