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What is a calorie?
a) Amount of heat needed to raise one gram of water one degree Celsius.
b) Amount of work needed to move one gram of water by one centimeter.
c) Amount of heat needed to melt ice.
d) Amount of heat needed to raise one gram of water one degree Fahrenheit
Ans- Amount of heat required to raise one gram of water one degree celsius
Define the Wave Nature of Sound Sound is called a longitudinal wave because the vibrations are in the same direction as the motion and speed of the wave. This is most easily pi
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