Jasmine has toast for breakfast every day. As soon as the toast pops out of the toaster, she puts butter on it. If she does it quickly, she can spread the butter over the toast with her knife, and it melts into the toast. Why does the butter melt?
A.
because heat from the hot toast moves into the cool butter
B.
because heat from the hot knife moves into the cool butter
C.
because heat from Jasmine's hand moves into the cool butter
D.
because the pressure of her knife softens the butter