What are barnacles? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.

What are barnacles?

Barnacles are small shellfish. They swim freely when they are hatched but latch on to a surface once they are adults. Millions of barnacles may be thus attached to a surface like the hull of a ship, forming a crust. This can reduce the speed of the ship by 50%! Loss of time and wear and tear on machinery because of the barnacles can cost the ship’s owners dear.

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