Watch the following videos and answer the questions. Use all resources you can find. You may need to consult earlier chapters of the textbook.
1) What is soil made of?
2) To which of the Earth’s spheres does soil belong? Please explain.
3) List three factors for soil erosion. Which factor do you think is the most significant?
4) Find one kind of human activity which somehow relates to you directly or indirectly and rationalize how it affects soil erosion. Think about one thing,
small or big, that you can do to help soil preservation.
Sample Solution
