What I Know Direction. Write the letter of the correct answer on a separate sheet of paper. 1. What is erosion? A. It is the washing away of soil. C. It is the replanting of crops. D. It is the breaking down of rocks. B. It is the cutting down of trees. 2. Why is plant cover such as grass important? A. It holds soil in place. C. It grows easily. B. It makes the place green. D. It makes the soil fertile. 3. Who is greatly affected when soil erosion happens? A. Animals and plants C. People and animals B. Plants and people D. Animals, plants and people 4. Soil erosion can have devastating effects on the planet. Erosion can be reversed by doing what? A. Reforestation B. Fertilizing soil C. Re-introducing certain animal species. D. Increasing the number of animals in the region. 5. What will likely happen if the trees and plants covering the mountains were removed? A. There will be earthquakes. B. There will be less food for the people. C. There will be more supply of materials. D. There will be flash floods during heavy rains. EI please i need help po ​