Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Question: What takes both the shape and the volume of their container? Answer: gases
Solids have a fixed volume and a fixed shape. Liquids have a fixed volume but take the shape of their container. Gases take both the volume and the shape of their container.

Question: Name the organ located behind the nasal cavity in which both food and air pass through? Answer: pharynx
Behind the nasal cavity, air passes through the pharynx , a long tube. Both food and air pass through the pharynx.

Question: What is the charge on a single electron known as? Answer: elementary charge
The charge on a single electron is and is known as the elementary charge.