<span>absorption spectra is your answer. i had the same multiple choice question last year</span>
<span>Answer: perception of color and odor are created by combinations of the receptor types
The perception of color and odor is determined by the combination of the receptor that catches the stimuli. That is why there is a wide variety of stimulus that can be perceived by such sense. if the perception coded by a specific receptor, the organ will need much more receptor that will make it less sensitive.</span>
The water from natural resources contain minerals that change the ph of water.
