Element that forms more than one type of an electrically charged particle which is known as an ion.
I Believe the answer to your question is C.Protista and D.Animalia and B.Eubacteria
1. The student didn’t push with enough force ._.
For the second one it would be Mars and Jupiter ;)
Physical changes<span> are </span>changes<span> affecting the form of a chemical </span>substance<span>, but not its chemical composition. </span>Physical changes<span> are used to separate mixtures into their component compounds, but </span>can<span> not usually be used to separate compounds into chemical elements or simpler compounds.</span>