Plastic waste causes ____________ damage to the environment.

• irreparable

• separable

• comparable

Most of plastic produced nowadays is __________. You just throw it away as soon as you finished.

• single-use

• biodegradable

• irreparable

Toxic waste causes serious ___________ of water resources

• damage

• contamination

• extinction

Man-made things shouldn't enter animals' __________ . They cannot digest it.

• habitat

• breeding

• food chain

Strach-based rubbish bags are ___________. They totally fall apart in 3 years.

• irreparable

• biodegradable

• extinct

Many people in modern cities turn to __________: they collect rubbish at weekends, use recycle materials and separate waste.

• eco-friends

• contamination

• eco-warriors