The disposal of ................. sewage in rivers and oceans leads to water pollution, (treat) Cutting down trees causes a lot of.................... damage, (environment) There is a link between exposure to .................. and cancer, (radiate) Water pollution can be caused by..................... substances from factories, (poison) Giúp mình với, mình đang cần gấp. Hứa vote 5 sao ạ

1. treatment

2. environmental

3. radiation

4. pousionous

* Mik đánh số, bạn điền theo thứ tự là được * 

The disposal of .......treatment.......... sewage in rivers and oceans leads to water pollution, (treat)
Cutting down trees causes a lot of....environmental................ damage, (environment)
There is a link between exposure to ...........radiation....... and cancer, (radiate)
Water pollution can be caused by...............pousionous...... substances from factories, (poison)

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