If melted butter were poured into a glass of milk and allowed to rest, two distinct layers would be visible. How would these layers appear?
A. The melted butter would lie above the layer of milk because butter is less dense than milk.
B. The melted butter would lie above the layer of milk because milk is less dense than butter.
C. The milk would lie above the layer of melted butter because butter is less dense than milk.
D. The milk would lie above the layer of melted butter because milk is less dense than butter.
I think it would be A.