Answer:
The average flow velocity of a river increases along its long profile. This makes sense; along the profile, more potential energy is converted to kinetic energy, increasing the velocity. This is only the average velocity however; a cross-section of a river shows that the velocity varies from one side to the other.
Explanation:
Hi!
The answer is "rubber"
Hope this helps!
-Payshence xoxo
Answer:
A i think, sorry if im wrong.