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go help me on my 3 question please
Wave velocity in common usage refers to speed, although, properly, velocity implies both speed and direction. The velocity of a wave is equal to the product of its wavelength and frequency (number of vibrations per second) and is independent of its intensity.
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Pedagogy, andragogy, and gerogogy are three different ori- entations to learning in childhood, young and middle adulthood, and older adulthood, respec- tively.
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D, I’m assuming that’s their is a another so you give on group nothing and the other group the vitamin C