Across
- 3. type of farming which involves high inputs of capital in a small area of land
- 4. the art and science of cultivating the soil, growing crops and raising livestock
- 8. tectonic plate boundary where 2 plates collide
- 10. responsible travel to natural areas that conserve the environment,
- 11. a rising and overflowing of a body of water especially onto normally dry land
- 13. the average period that a person may expect to live.
- 16. when tiny pieces of the Earth's surface are moved from one place to another
- 17. large ecosystem
- 19. economic activity concerned with the processing of raw materials and manufacture of goods in factories.
- 20. the use of a waste product in a process to make something else.
Down
- 1. money spent by a tourist circulates through a country's economy creating demand
- 2. income remaining after deduction of taxes and social security charges
- 5. a tropical woodland with an annual rainfall of at least 254 centimeters
- 6. less important areas in a country (such as rural) where development lingers
- 7. Avoiding the use of plastic bags to keep the oceans clean
- 8. type of farming which aims selling farm products for profit
- 9. when humans remove or thin forests for lumber
- 12. an area of land that receives no more than 25 centimeters of precipitation a year
- 14. faster developed areas in a country (urban) where great growth occurs
- 15. the land along a sea
- 18. liquid molten rock that builds up below the Earth's crust