Across
- 3. / substance put on agricultural land to make it able to produce more
- 4. / process whereby metals are removed from ore or concentrate for use in industry
- 6. / a type of faming or agriculture that has small amounts of labor, machinery, and fertilizers are used on large farms
- 8. / agricultural business
- 10. / the capacity to generate goods or services that have economic value
- 13. / expert who studies the history, composition and structure of the earth's crust
Down
- 1. / a temporary situation in which a country or region does not have enough available food to feed its population
- 2. / valuable substance that is taken from rocks by mining
- 3. / any mineral that can be burned to produce energy
- 5. / the process in which machinery takes over the work of humans or animals
- 7. / chemical designed to kill unwanted plants (weeds)
- 9. / branch of forestry dealing with the cultivation and care of forests
- 10. /chemicals designed to kill harmful plants and harmful insects
- 11. / rock that contains enough valuable minerals to make mining profitable
- 12. / processing ore into concentrates