Answer: Most substances are solid at room temperature.
They may be:
your pencil
your computer.
your living space.
and most things that you use in your daily life.
Step-by-step explanation:
A solid: holds their shape and the particles move a lot less than a liquid.
A liquid: hold the shape of the container and moves more than a solid and less than a gas.
A gas: has no fixed size and moves more than the liquid and solid.