1) How many types of pollution are there? a) 4 b) 6 c) 3 2) smoke and gases from factories, cars and burning garbage is a) water pollution b) air pollution c) land pollution 3) trash on the beach can cause a) air pollution b) water pollution c) noise pollution 4) oil spilling can cause a) water pollution b) air pollution c) land pollution 5) One way we pollute is by a) running b) littering c) singing 6) One way we damage the environment is a) cleaning b) sleeping c) pollution 7) How can we protect the environment from land pollution a) by trashing b) by reusing, reducing and recycling c) stopping smoke from factories

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