The plains formed when the slopes of mountains are worn back in arid and semi-arid regions my mechanical weathering is called_______
Alluvial plains
Outwash plains
Pediplains
Savanna plains
Correct answer is C
A plain is a flat, sweeping landmass that generally does not change much in elevation. Plains occur as lowlands along the bottoms of valleys or on the doorsteps of mountains, as coastal plains, and as plateaus or uplands.