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ValentinkaMS [17]
3 years ago
9

Which type of wave has a frequency just higher than violet visible light and is used by the skin to produce Vitamin D?

Physics
1 answer:
ANTONII [103]3 years ago
4 0
Ultraviolet rays can help us get vitamin D, but they can also damage or skin if w are exposed for too long.

Your answer is D.
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