The Dust Bowl of the 1930s was caused by _
earthquakes
erosion
fertilizer runoff
overgrazing
drought and poor farming practices
volcanic eruption

Respuesta :

Answer:

The Dust Bowl of the 1930s was caused by drought and poor farming practices.

Explanation:

hope this helps!

It was caused by drought and poor framing practices, this cause many people to get sick as well as lose their farms. I hope that helps!