Помогите, пожалуйста, с английским. Use the words from the right column

Помогите, пожалуйста, с английским.
Use the words from the right column in the appropriate forms to fill in the gaps.
1. My first impression of the city was more negative than positive. The air was very (pollute) and it was difficult to breathe. In (add) to the heavy traffic were several factories there. Obviously, the air-cleaning equipment they used was (effective) or did not work all.
2. When I asked my local friend why the people didnt insist on closing the factories, he said people had different opinions about the point. Closing the factories was a very (controversy) issue actually.
3. The gas emissions the factories were (response) for had a very negative effect on the environment. But at the same time, the factories provided jobs a lot of people in the city. The solution was in new technologies that would make the manufacturing process (harm) to the environment.