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Q21: Atmospheric refraction makes the daylight hours a
Q25: Fusing two carbon nuclei would occur with<br>A)absorption
Q27: Apart from the effects of other planets,
Q39: The function of polarizing filters in viewing
Q41: Rainbows exist because light is<br>A)reflected.<br>B)refracted.<br>C)both of these<br>D)neither
Q51: A red crab very deep in water,
Q67: According to the principle of equivalence in
Q68: In Heisenberg's formula, △p △x≥ h, the
Q82: Dew on the grass results from<br>A)fast-moving molecules.<br>B)evaporation.<br>C)open-structured
Q186: Light bends as it<br>A)passes a massive star,<br>B)traverses