Question

choose the correct answer.
in order to reduce runoff, you can regulate discharge from known sources maintain shoreline vegetation.
what else can you do to reduce runoff?
increase the amount of concrete
increase the amount of absorptive surfaces

Explanation:

Absorptive surfaces like grass or soil can soak up water, reducing runoff. Concrete is impermeable and would increase runoff.

Answer:

Increase the amount of absorptive surfaces.