According toFreundiich adsorption isotherm, which of the following is correct ?

Question

( A ) $\frac{x}{m} \propto P^0$
( B ) All the given are correct for different ranges of pressure
( C ) $\frac{x}{m} \propto P^{1/n}$
( D ) $\frac{x}{m} \propto P^1$