Across
- 2. when a person does not have enough to eat
- 3. food or fiber crops grown to sell for profit rather than for use by local families
- 6. the average weather in an area of an extended period of time
- 7. sand or clay formations containing heavy crude oil
- 8. strains of staple crops selectively bred to be more productive than their counterparts
- 9. conditions of the atmosphere at a specific time and place
Down
- 1. oil in shale rock deposits
- 4. organism in which the genetic material has been altered that is not naturally occurring
- 5. based on amount of energy received from sun