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☆☆☆☆☆Cirques
Wind carrying sand grains deposits the sand when the wind slows down or hits an obstacle.
cutting and polishing exposed rock surface
Running Water
There is a lack of vegetation
desert pavement <--- wrong
The 3 main types of glacial erosion are plucking, abrasion and freeze thaw.
gravel sized particles
chemical weathering..
barchan dunes
Nile river
Lowering the land.
longitudinal dunes
In some deserts the water disappears as it is diverted to irrigation for crops and for municipal water supplies. Some of the water simply evaporates or is absorbed by the dry soil.
Southeast
During the recent ice age, glaciers covered almost 30 percent of earths land.
The thick loess deposits in South Dakota, Nebraska, and Iowa come from glacial sediments.
The boundaries of history of eras are marked by great worldwide changes in continental coastline
