Question

what allows the water to flow slowly into the river​

Answer 1

Answer:

Generally a narrower, more circular river channel allows faster flow of water. Broader flat channels tend to slow a river down.

Explanation:

hope it helps u mate

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.