The answer is B
Explanation. The density explains the amount of mass for how small or large an object is. Best way to test density is with water. If it is MORE DENSE (heavier in small area) it will sink.
Plasticity is to be molded. You can mold plastic is is bendable and heats up easily to give the advantage of being reshaped
It would mix faster in the hot water because it moves free and more faster with a bunch of water vapor coming off of it
D) thr cell will become cancerous
I believe the answer is B.2