Which description best defines a riparian buffer and its effect on non-point pollution?

Which description best defines a riparian buffer and its effect on non-point pollution?

• A. A cleared strip along a water body to speed up drainage.
• B. A concrete barrier along a stream to block sediments.
• C. A vegetated strip along a water body that sediments, nutrients, and pollutants are captured or slowed; shade reduces temperature and improves habitat.
• D. A drainage ditch designed to channel pollutants away.

Answer: (C)