Whereas the sense of taste is based on (how many? ) classes of taste receptors, the sense of smell has over (how many? ) different receptors for chemicals associated with odor.

6 classes of taste receptors and 350 different olfactory receptors

Explanation:

There are different tastes which are based on the basic 6 classes of taste receptors such as sweet, salty, sour, bitter, umami and starchy.

While the sense of smell has over 350 olfactory receptors for chemicals associated with odors.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

it would be rhyolitic hope this