A farmer who lives beside a river raises livestock that produce lots of manure. The farmer shovels the manure into piles on the edge of her farm. How might this activity affect the local watershed? The manure will likely wash with precipitation into the river.
The manure will likely infiltrate Earth's surface and contaminate the groundwater.
The manure piles will likely obstruct the river's channels.
The manure will likely have no effect on the local watershed.