Land and Environmental Resources

4. Resources that are drawn from nature and used without much modification.
6. The original rock formation from which other rocks, soils or mineral deposits are derived.
7. Careful management of resources to ensure their long term viability.
9. They are obtained from the decomposition of organisms and plants that lived millions of years ago.
10. The geological phenomenon where masses of rock, soil and debris move down a slope under the influence of gravity.

1. A place where birds or animals are protected from being hunted.
2. The quality of being useful.
3. The process in which the soil between the plants is covered by a protective layer of organic matter.
5. Topmost layer with high content of organic matter.
8. The process of collecting, processing and reusing materials that would otherwise be thrown away as waste.