Question

The Dust Bowl of the 1930s was caused by_______(choose multiple answers) ∆earthquakes

∆volcanic eruption
∆erosion
∆overgrazing
∆the clearing of grasslands
∆fertilizer runoff​

Answer 1

Erosion, overgrazing, and clearing of grassland

Step-by-step explanation:

got it right thanks to the other person.

Answer 2

Erosion, overgrazing, and the clearing of grasslands.

Step-by-step explanation: