When you walk into your grandma's house, you follow the smell of the baking chocolate chip cookies using cues, but after spending a half an hour in the kitchen, you cannot notice the strong smell anymore because of , meaning that your receptors adjusted.

Option C ==> olfactory; sensory adaptation.

Explanation:

Human beings possess five main sense organs of the body which are the tongue, the ear, the skin, the eyes and the nose. In this question we will be talking about the nose as a sense organ that is the olfactory system.

The olfactory system send chemical signal which is known as the olfactory cue and this signal aid in how human perceive the smell of things.

The interesting part is that after one reaches and stays where the smell of something is actually coming from, one will not be able to notice the strong smell anymore and this is the work of the sensory system adapting to the environment.

answer; they are called (pebbling);