Any type of electromagnetic energy's wavelengths that are shorter than a type of electromagnetic energy's wavelengths is to the left of that type of electromagnetic energy on the diagram. Hence, the wavelength of a type of energy decreases as you progress to the left on the diagram and left of the green light (in the visible spectrum).
The proper definition would be B. A mixture that can be separated.
You have a. 3, b. 2, e. 6, f. 3, i. 1
OK so some examples of a colloid would be whipped cream, milk, butter, colored glass, muddy water things like that