According to Avogadro's law the volume of a gas will ____ as____ increases, if ___

1.
According to Avogadro's law the volume of a gas will as increases, if are held constant.

1. Increases, number of moles; P & T2. Decreases; number of moles; P & T3. Increases; T & P; number of moles4. Decreases; P & T; number of moles