Respuesta :

This is actually D. separation by density

Answer:

The given blank can be filled with separation.

Explanation:

A technique, which is used for distinguishing particles from a solution on the basis of shape, size, the viscosity of the medium, density, and rotor speed is known as centrifugation. The machine used for this purpose is known as a centrifuge. The centrifuges majorly have an application in science, and for this centrifugal force is used that distinguishes liquids, which exhibits distinct weights.