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English, 09.12.2020 21:50 rorob

Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vision, these snakes can sense electromagnetic waves that have 1 a lower frequency and a shorter wavelength.
2 a higher frequency and a longer wavelength.
3 a lower frequency and a longer wavelength.
4a higher frequency and a shorter wavelength.

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