Across
- 2. state of athmosphere at some place and time
- 3. zone with average temperature above 18°C
- 6. which period has made human civilization's advancement possible
- 8. german scientist
- 12. what does climate encompass in terms of weather
- 14. zone with humid and warm summers
Down
- 1. study athmosphere
- 4. zone with extremely cold winters
- 5. what are scientists doing with the climate
- 7. zone with warm summers and mild winters
- 9. several of which periods has earth experienced
- 10. zone with evaporation exceeding precipitation
- 11. number of main climate types
- 13. the average of weather elements
