While the amount of heat it would take to melt that kilogram of ice, heat it and boil away, 720 Calories, would be enough to raise that same amount of Aluminum to its melting point!
(the amount of heat; would take; to melt) (the amount of heat; to melt; it) (720 Calories; would be; enough to raise that same amount of Aluminum to its melting point)
the amount of heat the amount of heat 720 Calories
would take to melt would be
to melt
it
enough to raise that same amount of Aluminum to its melting point