ozone layer, A part of the atmosphere that protects the Earth from harmful rays from the sun, carbon dioxide, A gas that people breathe out and cars produce., oxygen, Сlean air that people and animals need to live, harmful emmission, Factories and cars produce these and they damage the environment., air pollution, It is when the air becomes dirty and unsafe to breathe., acid rain, It is rain that contains harmful chemicals because of air pollution, global warming, The gradual increase in the Earth's temperature, endangered species, These are animals that are at risk of disappearing forever., environment, It is the natural world around us, including the air, water, land, plants and animals.

Environment II

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