Ex2: 

1.air pollution

2.radioactive pollution

3.noise pollution

4.visual pollution

5.water pollution

6.thermal pollution

7.light pollution

8.soil pollution

Ex3:

1.Sewage

2.poison

3.radioactice

4.aquatic

5.Untreated

6.contaminated

7.effect

8.pollutants

9.dumped

10.dead

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I. Match the different types of pollution to the pictures.
1. visual pollution    

2. air pollution    

3. water pollution     

4. radioactive pollution

5. noise pollution     

6. light pollution 

7. thermal pollution  

8. soil pollution 

II. Complete the sentences with the words or phrases in part I.
1. air pollution         

2. radioactive pollution

3. Noise pollution   

4. visual pollution

5. water pollution    

6. thermal pollution

7. light pollution    

8. soil pollution

III. Complete the sentences with the words from the box.
1. Sewage

2. poison

3. radioactive

4. aquatic

5. Untreated

6. contaminated

7. effects

8. pollutants

9. dumped

10. dead

IV. Underline the right option.
1. sewage

2. pollutants

3. sprayed

4. ends up

5. aquatic

6. extinct

7. affect

8. dumping

9. untreated

10. spilled

V. Match the two halves of the sentence.
1. e         

2. f

3. b   

4. h

5. d    

6. g

7. c   

8. g 

VI. Choose the best answer to complete the sentences.
1. a

2. b

3. d

4. a

5. c