<span>Commensalism is an interaction in which one of those species would benefit, and the other one would not be affected. Parasitism is an interaction in which one of those species would benefit at the expense of the host organism. Thus, in commensalism we have one positive and one neutral result while in parasitism we have one positive and one negative result.</span>
There's a group on each side so there's equal pull on both sides so it doesn't move
Answer:
A
Explanation:
are attracted to other types of particles.
