Because they have similar attractive forces in their molecules
Plug in any number that yo think it’s the answer and make a t chart and put every letter in it and the other side the number until it is balanced
B. Troposphere, stratosphere, mesosphere, thermosphere
A physical change. chemical changes require the molecule itself to change. If you put NaCl into solution, the NaCl is still there which is evident by the fact that if you lower the amount of water, NaCl precipitates out.
