Across
- 4. is to tame animals and plants for food or other uses
- 5. agriculture developed __________ around the same time
- 6. agricultural __________ have improved throughout history
- 7. is to prepare and use the land for crops
Down
- 1. the invention of __________ increased permanent settlements
- 2. is a nutrient in food necessary for survival
- 3. agriculture led to ___________ growth
