Instruction: Write brief explanation for the following questions 1. Write the definition, ty pes, causes & control mechanisms of soil degradation
2. What are the four types of vegctaticn belts.
3. List & give examples for the live major groups of wild life.
4 The urique national parks in Ethiopia and its challenges
5. Lis: & explain the three sources cf population datn
6. What are the basic demographic measurenmcnts of population
7. Write formulas for three measures for population density​