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Question

The army tanks havechains over gears, which enable them to move.

A
heavy
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B
broad
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C
narrow
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Solution

The correct option is B broad
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Heavy tanks have broad chains called caterpillar tracks which considerably increase area in contact. The tracks help the tanks to distribute its weight more evenly over a larger surface area. This prevents its from sinking in areas where wheeled vehicles of the same weight would sink.

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