Stormwater runoffs carry oil leaked by vehicles on a highway into a pond. this is an example of what kind of pollution?

Non-point pollution.

Explanation: Since their was a bunch of vehicles that mightve leaked the oil, its not a point source pollution, that means its a non-point pollution.

A non-point pollution is when their not sure what caused the pollution because there is many sources that caused it.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

satellites are frequently used to make observations of the orbit on earth