Respuesta :

near the water surface in the center of the stream

hope this helps

Answer:

Highest stream velocities exists at the mid channel near the surface of water

Explanation:

The highest velocity in a straight channel is found in the mid channel near the surface of water as there in no friction from the bed channel. On the other hand the velocity of a stream at the bank side and bed is the lowest as there is the highest friction caused by the roughness of the substrates constituting the  bank/bed.

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