I hope this help but the metalloids is gruop five if that what your asking if not i will answer the other question for you
Chemical changes are not usually physical so you can’t see them I guess so I would put D
D.They both contain carbon, but only nucleic acids contain phosphorous.
In light of my perception, I can finish up the accompanying:
1)Test life form A matures lactose
2)Test life form A delivered gas
3)Test life form A brought down the pH of the medium
<span>4)Test life form B does not mature lactose</span>
