Consider the following statements
(A) Fahrenheit is the smallest unit measuring temperature.
(B) Fahrenheit was the first temperature scale used for measuring temperature.

Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c ) (A) is true but (B) is false.
(d) Both (A) and (B) are false.