Question

Answer 1

1 air pollution

2 car crash

3 earthquake

4 fire forest

5 homeless people 

6 snowstorm

7 traffic jam

8 strong wind

9 rush hour

10 crowded cities

Answer 2

1. air pollution

2.car crash

3. crowded cities

4.earthquake

5forest fire

6.homeless people

7.rush hour

8.traffic jam

9. strong wind

10 snow storm