Question

Which human activity has the most negative effect on the stability of a river environment? A. People picnicking along the bank of the river B. Sailboats being stored in the river C. Driving a car near the river D. Boats leaking oil into the river

Answer 1

D

Step-by-step explanation:

Answer 2

Boats leaking oils to the river

Step-by-step explanation:

Oil is very dangerous to the water environment. It causes pollution and is very difficult to clean