Jawapan

2016-10-03T22:25:30+08:00
*when the gas matter release heat, it change into liquid. ex.(water vapour to water)
*when the liquid matter release heat, it change into solid. ex.(water to ice)
*when the solid matter absorb heat, it change into liquid. ex.(ice to water)
*when the liquid matter absorb heat, it change into gas. ex. (water to water vapour)

sorry for bad english
gas release heat=condensation process
liquid release heat=smelting/freezing
solid absorb heat=melting
liquid absorb heat=evaporation
tqvm