Across
- 4. to cause an effect
- 7. a system to bring water from a river to plants
- 8. to spread out
- 9. weather over a long period of time
- 10. gatherers, traveling from place to place in search of animals to hunt and nuts to collect
Down
- 1. organized system of government, religion and learning
- 2. use of scientific knowledge or tools to do work
- 3. study of Earth or land and bodies of water
- 5. to move
- 6. another word for farming