Question: A teacher opens a can of food in the front of a classroom. Soon, all of the students in the classroom can smell the food. Which statement identifies a property of a gas that allows all of the students to smell the food?
Options:
A gas has no mass.
A gas has a large mass.
A gas takes the shape of its container.
A gas keeps its shape when placed in a container.
Answer: A gas takes the shape of its container.