Answer:
The answer is all of them because
Step-by-step explanation:Agricultural runoff can affect natural systems that are very far from the source. Since water from agricultural runoff can travel vast distances, the sediment and substances that it carries with it can also travel vast distances. Many different types of ecosystems can be influenced by the materials that agricultural runoff carries to them. These ecosystems are :
river ecosystems
wetland ecosystems
marine ecosystems
freshwater lake ecosystems