Answer: Contrast
Explanation:
Contrast can be altered by light intensity and staining
Contrast can be altered by light intensity and staining.
When the source of light moves away or comes closer to an individual, the wavelength of the light decreases or increases respectively.
And the color of the light changes slightly in what is known as the doppler effect.
Thus, Contrast can be altered by light intensity and staining.
To learn more about light source click here:
https://brainly.com/question/18913785?
#SPJ2