Question

for blood to be separated into its primary visible components of plasma and red blood cells, it must be spun around in a machine that separates its components according to their density. what is the name of this machine?
centrifuge
chromatograph
distillation apparatus
filter

Explanation:

A centrifuge uses centrifugal force to separate substances based on density. Blood components like plasma and red - blood cells can be separated this way. Chromatography separates based on different affinities for a stationary and mobile phase. Distillation is for separating based on boiling points. A filter separates based on particle size.

Answer:

A. centrifuge