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If we see a galaxy that is 100 light years from us and it appears red, that means that the galaxy is actually red in color -true -false
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Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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If we see a galaxy that is 100 light years from us and it appears red, that means that the galaxy is...
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