When you change the amount of a substance, the boiling and melting ) go up b) go down c)become the same temp. d) remain the same

Let's say we're talking about water. The melting point and freezing point of water is always the same (for pure water anyways, if you add salt or some other things it can change) but if you add more water it will just take longer to read the boiling point/freezing point because there's more of it.

It dont even matter because at the end of thre day we gone life like it ius s

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.