What does the red light component of the spectrum represent?
A. solar radiation that is not visible to humans
B. the portion of white light with the highest wave frequencies
C. the portion of white light with the longest wavelengths
D. visible light that is most similar to gamma rays

D.)

Explanation:  infrared photons have still more, then visible, ultraviolet, X-rays, and, the most energetic of all, gamma.

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primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs