Answer: visible light can be seen.
Explanation: Ultraviolet Ray's cannot be seen.
Answer:
ur (ultraviolet radiation) has shorter wavelengths then visible light.. these waves aren't visible to the human eye alone.
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Explanation:
the ansewe A.) oak tree
Pioneer species is the general name for the first organisms to move into a disturbed environment or to grow after a volcanic eruption covers an area with lava.
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