I think it is 5% hope this helped
Answer:
Farming
Explanation:
There were three droughts in the 1930s.
Farmers had deep plowed the land and killed the native grasses that trapped soil and moisture.
During the droughts, the moisture evaporated, and the loose soil turned to dust.
Answer:
Hans Christian Oersted began a new scientific epoch when he discovered that electricity and magnetism are linked. He showed by experiment that an electric current flowing through a wire could move a nearby magnet. The discovery of electromagnetism set the stage for the eventual development of our modern technology-based world.
Explanation: