You Decide to Help Improve the Water Quality in a River

question 43

Multiple Choice

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.