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Q1: A 1000-kg automobile enters a freeway on-ramp
Q3: Discrete spectral lines occur when excitation takes
Q3: There is a greater proportion of carbon
Q7: The source of the Earth's natural heat
Q15: In a simple circuit containing a bulb,
Q25: If three primary colors of light are
Q36: The sensation of color is seen when
Q81: Quantization of electron energy states in an
Q95: If you wish to send a beam
Q110: Which element has the smaller critical mass;