19: deserts and wind Flashcards
1
Q
dry climates cover about _% of earth’s land area
A
30%
2
Q
in dry lands, rock weathering is greatly
A
reduced
3
Q
the channels are carved largely by flash floods during sporadic storm events, this is called
A
ephemeral
4
Q
responsible for most of the erosion work in a desert
A
running water
5
Q
the basin and range region is characterized by
A
interior drainage
6
Q
the two types of wind deposition
A
dunes and loess
7
Q
extensive blankets of silt carried by wind in suspension
A
loess
8
Q
mounts and ridges of sand formed by sediment carried as part of the wind’s bed load
A
dunes
9
Q
produced when rocks become abraded by windblown sediment
A
ventifacts
