History quiz

What causes dust bowls?

Droughts:

- Lack of rainfall and vegetation dries out the soil, making it more vulnerable to erosion.

Overgrazing:

- Excessive grazing by animals can remove the vegetation that holds soil in place.

Poor farming practices:

- Plowing and other cultivation practices can loosen the soil and make it more susceptible to erosion.

Deforestation:

- Trees help to hold the soil in place, When they are removed, the soil becomes vulnerable to erosion.