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What is a syphon? 

A. A long bend pipe used to carry water from a reservoir at a higher level to another reservoir at a lower level when two reservoirs are separated by a hill
B. A long bend pipe used to carry water from a reservoir at a lower level to another reservoir at a higher level with some work input when two reservoirs are separated by a hill
C. A long bend pipe used to carry water from one reservoir to another reservoir when two reservoirs are at same elevation
D. Unpredictable
Answer» B. A long bend pipe used to carry water from a reservoir at a lower level to another reservoir at a higher level with some work input when two reservoirs are separated by a hill


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