Farming practices have changed dramatically over the last 100 years as scientists have helped farmers learn to manage crops and protect the

Question

soil. Today farmers in the U.S. grow more food per acre than ever before and soil erosion has been slowed.
Which best explains why farmers grow more food with less soil erosion today than they did 100 years ago?
A. Farmers were not able to communicate with scientists in the past.
B. Farmers had to find reasons to grow more crops or protect their soil.
C. Scientists working today have learned to take their work more seriously.
D. Scientists have learned more about how farming affects soil ecosystems.

Answer 1

D. Scientists have learned more about how farming affects soil ecosystems.

Advancements in technology and research have allowed scientists to better understand the impact of farming practices on soil health and implement strategies to minimize soil erosion. This knowledge has been shared with farmers, enabling them to adopt more sustainable farming practices that increase crop yield while protecting the soil.