World Heritage

2. A volcano that is currently erupting
4. pieces of the Earth´s crust
7. someone who studies the relationships between people living in groups.
9. Is no longer producing lava and is highly unlikely ever to erupt again
10. the result of something happening
12. is a place (in this case city or village) that is listed by the UNESCO as of special cultural or physical significance. The program catalogues, names and conserves sites of outstanding cultural or natural importance to the common heritage of humanity.
14. the reason why something has happened.
15. When lava, rocks, gas and/or ash shoot out of a volcano.
16. molten rock found above the ground.
17. Surname of the previous owner of this land
18. the scientific study of plants
19. Very fertile property
21. A region extending south and east from central Mexico to include parts of Guatemala, Belize, El Salvador, Honduras, and Nicaragua

1. is a tall, conical volcano built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash.
3. city-states each with their own ruling family.
5. United Nations Educational, Scientific and Cultural Organization
6. stone columns depicting rulers, family trees and stories of war.
8. Has not had an eruption in the last 10,000 years but could erupt in the future
11. Has had one eruption within the last 10,000 years. The earth has about 500 active volcanoes.
13. someone who scientifically studies humans, their customs, beliefs and relationships.
20. an ancient book which was written by hand
21. molten rock found inside the Earth