Solubility is
proportional to pressure. *

Most smaller stars don't have a radiative zone.

No table found. the question asks for covalent bond based on electronegativies

Coal i believe hope this

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.