10. As we understand from the reading, today, soil erosion in America ----. 11. The author points out in the passage that erosion in America ----. 12. It is pointed out in the reading that in America ----.
10. As we understand from the reading, today, soil erosion in America ----.11. The author points out in the passage that erosion in America ----.12. It is pointed out in the reading that in America ----.