sentences: toxic phase are dumped into a lake & toxic spring are poisonous ->  the pond is poisonous because of toxic chemicals  poisonous nothing can effect protect to chemicals & harming an cycles can effect that norfolk to live ->  poisonous things can cause organisms to die  a lake is a mean of mind of land & a whale forest in land ->  fish live in ponds  fish live in ponds & a whale is a mean of skunk ->  a fish is a kind of organism that lives in ponds  the pond is poisonous because of toxic chemicals & poisonous things can cause organisms to die & a fish is a kind of organism that lives in ponds -> the pond with toxic chemicals can cause fish in the pond to die