Across
- 1. The process of spread of a feature or trend from one place to another over time.
- 3. The maintenance of resources in their present condition, with as little human impact as possible.
- 4. The thin layer of gases surrounding Earth.
- 7. The spread of something over a given area.
- 8. A chain of communication that connects places.
- 9. Generally, the relationship between the portion of Earth being studied and Earth as a whole.
- 10. The long-term average weather condition at a particular location.
- 13. Actions or processes that involve the entire world and result in making something worldwide in scope.
- 15. A group of living organisms and the abiotic spheres with which they interact.
- 17. A circle drawn around the globe parallel to the equator and at right angles to the meridians.
- 18. The geometric or regular arrangement of something in a study area.
- 20. The body of customary beliefs, social forms, and material traits that together constitute a group's distinct tradition.
- 22. The name given to a portion of Earth's surface.
- 24. Earth's crust and a portion of upper mantle directly below the crust.
- 27. An area distinguished by a unique combination of trends or features.
- 28. A substance in the environment that is useful to people, is economically and technologically feasible to access, and is socially acceptable to use.
- 29. The location of a place relative to another place.
- 31. A system used to transfer locations from Earth's surface to a flat map.
- 32. The scientific study of ecosystems.
Down
- 2. The use of Earth's renewable and nonrenewable natural resources in ways that do not constrain resource use in the future.
- 5. The physical character of a place.
- 6. The frequency with which something exists within a given unit of area.
- 9. The physical gap or interval between two objects.
- 10. The sustainable management of a natural resource.
- 11. The arrangement of something across Earth's surface.
- 12. The numbering system used to indicate the location of parallels drawn on a globe and measuring distance north and south of the equator.
- 14. The position of anything on Earth's surface.
- 16. A two-dimensional, or flat, representation of Earth's surface or a portion of it.
- 19. The science of making maps.
- 21. An arc drawn on a map between the North and South poles.
- 23. Relationships among people and objects across the barrier of space.
- 24. The numbering system used to indicate the location of meridians drawn on a globe and measuring distance east and west of the prime meridian.
- 25. All of the water on and near Earth's surface.
- 26. The region from which innovative ideas originate.
- 30. Composed of living organisms.