What geologic event caused the dry, flat physical landscape of the prairie?
Tectonic plates under the Earth shifted.
Moist air helped prairie grass thrive.
Wind storms in the midwest flattened the land.
Fires in the midwest scourged the soil.
Tectonic plates under the Earth shifted.
Moist air helped prairie grass thrive.
Wind storms in the midwest flattened the land.
Fires in the midwest scourged the soil.