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Docks and Harbours

Q1:

The operation of removing material from the sea or river bed is known as

A Mining

B Dredging

C Digging

D None of these.

ANS:B - Dredging

Dredging is the act of removing silt and other material from the bottom of bodies of water. As sand and silt washes downstream, sedimentation gradually fill channels and harbors. This material must be periodically removed by dredging.



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