WORKSHEET
1. Explain why the water table has risen throughout much of Australia during the past 200
years.
2. Explain why the rising water table is a threat to farm crops
3. Describe how soil damage due to salinity could be reduced.
4.
Are the precious minerals obtained from mines renewable or non-renewable resources?
Explain your answer
5. . Explain the difference between weathering and erosion
6.
Explain how the planting of trees can reduce erosion.
7.
In your opinion, is fertile soil a renewable or non-renewable resource? Explain your
answer.
8. What is salinity and how does it affect the use of soil?
9. Why is a rising water table a problem for farmers?
10. Why do we need to classify the organism?