Answer:
By lowering the temperature.
Explanation:
Argon is a gas at room temperature. By changing its state from gas into liquid, we have to lower the temperature up to -185.7 degree Celsius while to change its state from liquid to solid, we have to lower the temperature up to -189.2 degree Celsius. There are two process occurs such as condensation and solidification, in condensation, argon gas is converted into liquid while in solidification, liquid argon is converted into solid.
