Ex1
- e
- a
- c
- h
- b
- d
- f
- g
- A landfill is a place where waste is kept.
- Global warming means that the temperature of the Earth rise.
- Toxic chemicals are substances that harmful to environment.
- If products is environment-friendly, that means it doesn't contaminate environment.
- If something is biodegradable, it will be decompose naturally.
- Water consumption refers to how much water people used every day
- A drought is a period of time when not rainy
- Air pollution means that contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.
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