Question

when a fast flowing river slows down what type of sediment would be deposited first
a) clay
b) silt
c) sand
d) gravel

Answer 1

The bigger particles. 

Answer 2

When a fast flowing river slows down what type of sediment would be deposited first?

Answer: The heavier/coarser particles (gravels if any, or coarse sands) will be deposited first.

Hope This Helps! :3