Answer:
It affects the water by the runoff of extra fertilizer from the fields. The runoff goes into nearby streams polluting the water and carrying it out to ponds, lakes, and oceans.
Explanation:
When farmers use fertilizer on their fields not all of it gets soaked into the ground. The remaining part of that fertilizer then gets washed out by the rain or sprinklers and runs off into streams, which then carries it out to other collections of water.
