The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of . a. hull fouling
b. the aquarium trade in exotic, nonnative aquatic species
c. intentional release
d. an algae farming company

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the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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