Answer:Physical
Explanation:
State Change is physical because it changes without it being chemically done. So when water changes from a liquid to a solid the state of it is changing. (Solid or Liquid or Gas)
Basically what is physically being changed with out a chemical.
I very much Disagree. The esophagus runs from your mouth to your stomach.
Change can be the biggest part of your life change can be good or bad
-number of electrons
-atom size
-charge of the atom
-number of protons
