Across
- 6. the study of how humans interact with the environment
- 9. study of human population dynamics and statistics
- 10. study of interactions of the biological, cultural, geographical and historical aspects of humankind
- 11. study of Earth's water resources
- 12. study of plants
- 13. a branch of geology, study of the chemistry of materials such as rocks, soil, and water
- 14. study of animals
- 15. study of chemistry in living things
- 17. science by which matter and energy are made useful to humans in structures, machines, and products
- 18. study of chemicals and their interactions; comprised of:
Down
- 1. study of fossils and ancient life
- 2. study of matter and energy; comprised of:
- 3. study of the Earth's atmosphere and climate
- 4. study of the Earth's surface, interior processes, and history
- 5. study of human populations; comprised of:
- 7. study of how organisms interact with their environment and each other
- 8. study of the relationship between human populations and Earth's features
- 12. study of living organisms; comprised of:
- 16. study of microorganisms
- 17. study of the Earth's nonliving systems and the planet as a whole; comprised of: