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Q. |
The water from a hand pump is warm in winter because - |
A. | our body is cold in winter and the water appears to be warm |
B. | the temperature inside the Earth is higher than the atmospheric temperature |
C. | the pumping process causes friction which warms up the water |
D. | inside water comes out and absorbs heat from the environment |
Answer» B. the temperature inside the Earth is higher than the atmospheric temperature | |
Explanation: 0 |
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