Examlex
Weak economies with shrinking incomes tend to buy more of everything, including imports.
Frequency
The rate at which something occurs or is repeated over a particular period of time or in a given sample.
Pitch
In acoustics, it is the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
Primary Colors
The set of colors that can be combined to create a wide spectrum of colors but cannot be created by mixing other colors. Typically red, blue, and yellow in pigment or red, green, and blue in light.
Additive Colors
A color system in which colors are created by mixing various amounts of light colors, primarily red, green, and blue.
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