(a) Viscosity increases with the increase in temperature of a liquid and decreases with the increase in temperature of a gas (b) Viscosity increases with the increase in temperature of a liquid and increases with the increase in temperature of a gas (c) Viscosity decreases with the increase in temperature of a liquid and decreases with the increase in temperature of a gas (d) Viscosity decreases with the increase in temperature of a liquid and increases with the increase in temperature of a gas