Across
- 1. extreme scarcity of food
- 3. the science or practice of farming
- 4. the chemical element that builds up organic compounds
- 6. an irregular rising and falling in number or amount
- 7. the surroundings or conditions in which living things operates
Down
- 2. the acquisition or gradual gathering of something
- 3. name of model plant
- 5. extreme dry conditions, lack of water
- 6. uncontrolable water flow beyond its normal limits