what is it?
solid
what is it?
liquid
what is it?
solid
what is it?
liquid
what is it?
gas
what is it?
liquid
what is it?
solid
what is it?
liquid
what is it?
gas
what is it?
gas
what is it?
solid
what is it?
gas
what is it?
gas
what is it?
solid
what is it?
liquid
what is it?
solid
what is it?
solid
what is it?
liquid
what is it?
solid
what is it?
liquid
what is it?
gas
what is it?
solid
what is it?
solid