Across
- 5. the artificial application of water to land to assist in the production of crops
- 7. an advanced form of culture
- 8. the longest river in Southwest Asia, runs about 1,700 miles from Turkey to the Persian Gulf
Down
- 1. the region between the Tigris and Euphrates Rivers
- 2. refers to small particles of sediment and soil that are easily carried in water, often in rivers
- 3. also known as farming, means "the cultivation or production of plants and animals for human use"
- 4. reference to the lifestyle of people who live a mobile, or wandering, existence
- 6. the site of one of the world's oldest civilizations