Why don’t vegetable oil and water mix?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Why is the melting of ice a physical change ?