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All terms in this list:

weather: the condition of Earth's atmosphere at a particular time and place

atmosphere: Earth's envelope of gases

ozone: A form of oxygen that has three oxygen atoms instead of two

water vapor: Water in the form of gas

pollutants: A harmful substance in the air,water,or soil

photochemical smog: A brownish haze formed when pollutants react with each other in the persence of sunlight

acid rain: Rain that contains more acid than normal

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