you decide you want to make spaghetti for supper you first light the gas stove because you need to cook the meat when the meat is cooked you add some sauce to it then you out a pot of water on the stove to get it boiling the next step is putting spaghetti noodles into a boil finally you drain the spaghetti noodles and add the sauce which of the following describes the chemical changes happening HELP PLEASE