The atmosphere refers to - the air around the Earth., Carbon dioxide is a gas in the atmosphere - that is produced when things burn or decay., If you consume something, - you use it up, and it can't be used again., Air quality refers to - how much pollution is in the air., When there is a water shortage, - there isn't enough water for people., If something is toxic to the environment, - it contaminates or pollutes the environment., When you recycle something, - you use it again instead of throwing it away., If something decomposes, - it decays, or breaks down into simple elements.,

Vocabulary Unit 11

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