Geography

2. Receiving less than 250 mm or precipitation per year.
6. A good is any made-made product, for example a car or a loaf of bread.
7. An area characterised by sloping topography (landscape) that drains surface water into rivers, streams, lakes or oceans.
8. A climate with warm to hot, dry summers and cool, wet winters. Rainfall averages around 450 mm mostly falling in winter.
10. A climate zone that receives less than an average 250 mm rainfall a year. Evaporation is very high in hot deserts.
11. A half of the Earth; usually divided into northern and southern halves by the equator, but can also be western and eastern.
12. A section of soil that is below freezing for more than two years. Permafrost is found at high latitudes and elevations.

1. The average types of weather, including seasonal variations, experienced by a place over a long period of time.
3. Eroded soil particles carried by rivers.
4. A world view that informs ways of achieving sustainability. Ethical stewardship supports the careful management of environmental resources for the benefit of present and future generations. Stewards do not own resources, they manage them.
5. Suitable to live in or on.
9. The area between the river bank and river. This region is characterised by specially adapted plants.
13. Plant life.