Verified answer

D is the closest to the right answer.

Anions are damaging ions Cations are beneficial ions So a and c are comparable b and d are comparable If atoms lose electrons, they're beneficial. a million thank you to think of of it relatively is they lack damaging so as that they are beneficial vice versa quickly 1st Q) Ans: the two b and d are ideal 2d Q) Ans: the two a and c are ideal

why?