In the United States, most of the fertile soils of the Midwest were derived from?
A. glaciers
B. volcanic activity
C. decaying organic matter
D. eroded sandstone
Answer: A
In the United States, most of the fertile soils of the Midwest were derived from?
A. glaciers
B. volcanic activity
C. decaying organic matter
D. eroded sandstone
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.