Giúp mình bài này với đang cần gấp, hứa cho 5 saoo!!! Sentence Completion Choose no more than TWO words from the passage 1. The climate of the Sahel is describe as … 2. In some areas of the Sahel, there has been no rainfall for more than … 3. Desertification is caused by overgrazing, but this in turn is due to the pressure from ….. 4. When trees are cut down, the soil is affected, which leads to the death of the surrounding …. 5. The consequences of the loss of topsoil cannot be reversed, but they are ….. 6. Looking after trees reduces the consequences of a lack of ……. True/False/Not Given 7. The Sahara has spread slowly northwards into the Sahel region. 8. Just over 70 percent of the dry land in agricultural use in Africa has deteriorated over the last 30 years. 9. Desertification is taking place faster in Southern Africa than in the Sahel. 10. The advance of the desert is not the result of poor agricultural land use. 11. The loss of tree cover is a minor cause of desertification. 12. If there is a loss of tree cover, the deterioration in the soil is halted. 13. Tree conservation is more effective than sustainable agricultural land use in reducing the consequences of lack of rain.