Why dows physisoption decrease with increase of temperature ?

Give reason for the Physisorption decreases with increase in temperature.

Rate of physisorption increases with decrease in temperature increase in temperature decrease in pressure decrease in surface area

The correct statements pertaining to the adsorption of a gas on a solid surface are (i) Adsorption is always exothermic (ii) Physisorption may transform into chemisorption at high temperature (iii) Physisorption increases with increasing temperature but chemisorotion decrease with increasing temperature (iv) Chemisorption is more exothermic than physisoption, however, it is very slow due to higher energy of activation

Why does modulus of elasticity of most of the materials decrease with the increase of temperature?

Assertion (A): Ionic conductivities increase with increase of temperature and pressure. Reason (R): Viscosity of water decreases with increasew of temperature and increases with the increases of pressure.