Answer:
I think it's the first one
Explanation:
I don't know though so don't trust me unless someone else says the same thing
<span>dirty, contaminated, </span><span>polluted, unclean, </span><span>unsanitary, <span>unsterile.</span></span>
As we know, vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body, which is a training for your body so if a real antigen attacks it, it will be trained and kill it with ease. Same thing with the boxer, he is training with dead weight so when he has a boxing match he will be ready and win with ease.
I don’t think that is possible!