SSC
INDIAN GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When this joins a river, it forms an arrowhead pointing downstream.
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tributary
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mouth
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confluence
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source
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Explanation:
Detailed explanation-1: -A confluence occurs when two or more flowing bodies of water join together to form a single channel. Confluences occur where a tributary joins a larger river, where two rivers join to create a third or, where two separated channels of a river, having formed an island, rejoin downstream.
Detailed explanation-2: -Complete solution: The trellis pattern develops when a river joined by its tributaries at approximately right angles.
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