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Q28: You see colors in a rainbow because
Q34: The type of mirror that will allow
Q49: The greenhouse effect occurs because carbon dioxide
Q54: The specific heat capacity of water is
Q56: The upward force exerted by a fluid
Q71: A refrigerator is an example of a
Q89: The primary mirror in an astronomical telescope
Q110: You press a stick that has a
Q113: If the length of a wire increases,
Q117: Modern aircraft weather radars operate in the