You Decide to Help Improve the Water Quality in a River

You decide to help improve the water quality in a river upstream that feeds into your beach.Your suggestion is to plant a buffer zone of vegetation close to a river to slow runoff and increase the health of the watershed feeding the waters at your beach.Which of the following would be a benefit of your suggestion?

A) Plants store nutrients in their tissues,removing them from the water.
B) Vegetation allows rainwater and runoff to soak into the ground.
C) Plant roots stabilize river banks and prevent erosion.
D) Shade from trees cools water,which can then hold more oxygen.
E) These are all benefits to planting more vegetation in river areas.