Warsawtrees

2. Trees improve air __________ in big cities.
4. Wola is a ___________ of Warsaw.
7. The tallest tree in Warsaw-Ursus ______________ about 25 metres.
9. Trees can remove tons of ____________ substances from the air each year.
11. The positive effect of trees ____________ on how old they are and where they are located.
12. There is a nice ___________ tree in the middle of De Gaulle Roundabout.
15. Trees produce ___________ and make the the air cleaner.
16. An average Warsaw tree "earns" an ____________ 170 million PLN a year.
19. There is a clear ___________ between more trees in the city and better physical and mental health.
20. ___________ of apartments close to parks can be even 40% higher.

1. Scientists ______________ the impact of trees on the health of residents.
3. There are around nine ___________ in Warsaw.
5. Trees absorb ______________ from the atmosphere.
6. Nitrogen dioxide and sulphur dioxide are major _____________.
8. There is a good ____________ why people want to live near green areas.
10. This word means all the plants, trees and vegetation.
13. Trees ___________ 24/7, but I don't :)
14. The oldest tree in Warsaw and Mazowsze is Mieszko I in Ursynów. Its ___________ is about 600 years.
17. The pine tree is the most common tree ___________ in Warsaw.
18. Rafał Trzaskowski is the _____________ of Warsaw.