A lot of people threw waste things into the lake ,so the p____ of the lake caused the fish to died

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A lot of people threw waste things into the lake ,so the p____ of the lake caused the fish to died
A lot of people threw waste things into the lake ,so the p____ of the lake caused the fish to died

A lot of people threw waste things into the lake ,so the p____ of the lake caused the fish to died
pollution