What happens when an atom has more electrons than can fit in one energy level?
A. The extra electrons start to fill higher sublevels in the energy level.
B. The extra electrons pair up in the orbitals within the sublevel.
C. The extra electrons are lost, forming ions.
D. The extra electrons begin to fill the next energy level.

A. The extra electrons start to fill higher sublevels in the energy level.

Explanation:

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.