Physics, 28.07.2019 23:00 skylarbrown018
We spend our lives in visible light without risks to our health. yet exposure to uv waves in sunlight can cause skin cancer. what is the best explanation for this? a) uv waves are longer and carry more energy. b) uv waves are higher frequency and carry more energy. c) uv waves have a lower frequency and carry more energy. eliminate d) uv waves travel faster than visible light and have more energy.
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Physics, 23.06.2019 00:00
Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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How many electrons does each element require in its valence shell to become stable?
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Adiagram show how a converging lens can produce a real image and virtual image
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What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?
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We spend our lives in visible light without risks to our health. yet exposure to uv waves in sunligh...
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