Weather crossword

2. A large area of land usually in a hot region where there is almost no water, rain trees, or plants.
6. A shift in winds that often causes a very rainy season or a very dry season
8. A large bear and region with no trees.
10. An area of tall, mostly evergreen trees in high amount of rainfall.
12. climate of small area
13. huge thick masses of ice
14. Average weather
15. The long-term warming of the planet's overall temperature.
17. reigons on the north and south poles
18. A period in Earth's history when the ice on the polar ice cap significantly expanded.

1. A large continuous mass of land conventionally regarded as a collected reigon
3. Warmer than average surface waters
4. Imaginary line in the middle of the earth
5. a regional climate under the predominant influence of the sea
7. Flat grasslands with scattered trees and shrubs.
9. reigons of the earth in the middle of the globe
11. Long usually very cold winters in short, cool summers.
16. Drier than average winter conditions