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The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
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A solar heating specialist is considering paraffin (Cp = 2.90 J/g O C) as a storage material for hea...
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