human
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?

Choices:
A) A gas has no mass.
B) A gas has a large mass.
C) A gas takes the shape of its container.
D) A gas keeps its shape when placed in a container.
gpt
The correct answer is 2: A gas takes the shape of its container..