Question

What is a tributary??????????

Answer 1

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A tributary or affluent is a stream or river that flows into a larger stream or main stem river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage basin of its surface water and groundwater, leading the water out into an ocean.

Answer 2

Answer:

a river or stream flowing into a larger river or lake.

"the Illinois River, a tributary of the Mississippi"