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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 | |
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Explanation: 0 |
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