Find the mistake and correct 4. There will be fewer green trees in the city than there used to be when a new park will be built next year. 5. There are less exhaust fumes than there were when cars are limited to transport in rush hours. 8. It is said that the quality of atmosphere isn't good for smoke and gases from lots of vehicles. 9. They lack good physics to cure dangerous diseases in the area. 10. Perhaps she won't be driven to visit her friend this time next week because of the prediction of the bad weather.