Question

Which allows the water to flow slowing into the river​

Answer 1

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Generally, anything that increases the surface area of the channel, against which the water flows will tend to slow the flow because of the increase in friction. Anything that reduces surface area also reduces the amount of friction and causes faster flow.

Answer 2

Answer:

Generally, anything that increases the surface area of the channel, against which the water flows will tend to slow the flow because of the increase in friction. Anything that reduces surface area also reduces the amount of friction and causes faster flow .

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