Given a scientific question, generate a correct answer to it.

[Q]: What are the three types of symbiosis?
[A]: mutualism, parasitism, commensalism

[Q]: Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what?
[A]: solubility

[Q]: Quantities have two parts: the number (how many) and what else?
[A]:
he unit