Answer:
penicillin could protect mice against infection from deadly Streptococci.
Explanation:
The correct response would be 3. The alkaline earth metals would tend to lose its valence electrons, in this case 2 of them at different energy levels, to form the same respective ion, which is +2.
I think it would be C.100.5cm or D.100.5ml hope that helps
I think it was sue to she has all the details to seem like it was her
