WA Chapter 1 Flashcards
1
Q
prominent
A
well known
2
Q
tributaries
A
tiny streams which flow into larger streams and eventually into rivers
3
Q
headwaters
A
the source [of a river]
4
Q
what makes up the plains and valleys of the Puget Sound region?
A
lowlands
5
Q
tectonic
A
the forces within the earth that cause movements of its crust
6
Q
subterranean
A
underground
7
Q
fault
A
fractures in the earth’s crust
8
Q
commerce
A
trade
9
Q
regions
A
places that share common features
10
Q
the _______ Rim is an economic region. all of the countries of the _______ border the Pacific Ocean.
A
Pacific
11
Q
aquifer
A
a deep layer of rock that holds water
12
Q
dormant
A
inactive
13
Q
lahars
A
huge mud flows containing boulders and uprooted trees
14
Q
fissures
A
cracks in the earth’s crust
15
Q
loess
A
a mixture of fine volcanic ash and dust carried by wind
