Question

(choose the right option)
As we understand from reading soil erosion in America----------
1 cause human to place more demonds on land
2 is worse than it was in the 19th century
3 happens so slowly that it is hardly noticed
4 is the most critical problem that the nation faces ​

Answer 1

Answer:

D

Explanation:

(d) is the most critical problem that the nation faces

Answer 2

Answer:

is worse than it was in the 19th century