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Dmitry_Shevchenko [17]
3 years ago
15

Pls help me on this question.

Biology
1 answer:
BARSIC [14]3 years ago
3 0

Answer:

Its b

Explanation:

Electromagnetic waves are categorized according to their frequency f or, equivalently, according to their wavelength λ = c/f. Visible light has a wavelength range from ~400 nm to ~700 nm. Red light has a wavelength of ~700 nm, and a frequency of ~4.3*1014 Hz.

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