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Q2: The watt, the unit of power, is
Q4: The most active of the following metals
Q10: An earthquake occurs far from an observing
Q14: Stable weather is associated with<br>A)cyclones.<br>B)anticyclones.<br>C)cold fronts.<br>D)warm fronts.
Q28: The freezing point of a substance is
Q28: Of the following greenhouse gases, the least
Q36: An electric iron draws a current of
Q52: An aquifer is<br>A)a river or stream on
Q54: A ball of mass 200 g is
Q55: Of these substances, the one with the