Afluorescent light tube usually contains
a. a vacuum.
b. oxygen.
c. mercury vapo...
Chemistry, 30.08.2019 07:30 jorozco3209
Afluorescent light tube usually contains
a. a vacuum.
b. oxygen.
c. mercury vapor.
d. light-emitting diodes.
Answers: 2
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Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
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Why dose heating increase the speed at which a solution dissolved in water
Answers: 1
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