While gradient decreases between a stream's headwaters and mouth, discharge?

Question

a. decreases

b. increases

c. remains same

d. disappears

Answer 1

b

Tributaries generally add more and more water as you go downstream...you can see how this might increase discharge.

Answer 2

B. the slope would not be as steep and there for the volocity of the stream would decrease and would not be able to carry sediments with a large diameter.        If that makes sense.