Erosion Flashcards
1
Q
Erosion of America’s farmland by wind and water has been a problem since settlers first put the prairies and grasslands under the plow in the nineteenth century.
A
settler người khai hoang, định cư
prairie đồng cỏ
plow đất đã cày
2
Q
By the 1930s, more than 282 million acres of farmland were damaged by erosion.
A
acre mẫu Anh, cánh đồng
3
Q
After 40 years of conservation efforts, soil erosion has accelerated due to new demands placed on the land by heavy crop production.
A
accelerate tăng nhanh
crop vụ mùa
4
Q
In the years ahead, soil erosion and the pollution problems it causes are likely to replace petroleum scarcity as the nation’s most critical natural resource problem.
A
petroleum dầu mỏ
scarcity sự khan hiếm
