Here is a true or false question pl, ease . in a closed system, the volume of a gas is not related to the volume of its enclosure.. i think it is false am i

There are four states of matter: solid, liquid, gas and plasma. Solid has a shape and volume of its own. A liquid takes the shape of the container does not occupy entirely the volume of the container.  For gas, it takes the shape of the container as well as taking the volume of the container. In this case, if the system is only composed of gas, the statement given is true.

The rocks expand when there hot/warm  and contract when they are cold.