In the following paragraph, determine if the numbered sentences are run-on sentences or not.

(1)In Central Florida, cattle waste has polluted Lake Okeechobee runoff from fertilizer has greatly increased the growth of algae in the lake. The waters off Long Island's south shore are also polluted; the main culprit is lawn fertilizer. (2)In one state, pesticides from potato farming have polluted the groundwater pig and chicken farming have also caused problems. (3)Our large population makes a massive farming industry necessary, but we are going to have to deal with the problems caused by large-scale farming and livestock raising.