General Knowledge
Q1
A lot of factories ..... the earth every day. This means that they put harmful chemicals and other dirty, unnatural substances into the atmosphere, land, fresh water supply and oceans.
(*) pollute
(*) preserve
(*) recycle
A lot of factories ..... the earth every day. This means that they put harmful chemicals and other dirty, unnatural substances into the atmosphere, land, fresh water supply and oceans.
(*) pollute
(*) preserve
(*) recycle
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