We _____(be) thirsty if we ______ (not/have) enough water in future.
Many species _____ (disappear) if we ______(not/protect) endangered animals and plants.
If the factory___(polute) water, it___(do harm) to the environment.
Our streets______ (be clean) if you_____( not /litter).
If people______(stop) throwing rubbish into the local river, clean water____(not /be) a problem in our country.
Animals _____(not/be) endangered if people_____(not/kill) them for sport.
You can _______ plastic bags again and again until they get holes in them.
The Rule of 3Rs includes ...
Water pollution is ...
Air pollution is the result of ... .
(Choose 4 options)
Reusing materials, such as plastic, aluminum, rubber, glass, metal, and paper, and turn them into something new means... .
Global warming is caused by ... .
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