1)a 2)D 3)a. I think the answers are
I would assume that the magnesium would have to come into contact with an ion in order to become a magnesium ion.
C. amphibian eggs do not contain a protective shell
Well a Electron capture is, <span> one process that unstable atoms can use to become more stable. :) Hope this helps if ya want subscribe to my YouTube it's Enstanding tysm!</span>