Restless Earth: The Andes - fold mountians Flashcards
1
Q
Peaks? Highest, Average
A
Highest is Cerro Aconcagua (6959m)
Average is 4000m
2
Q
Farming?
A
Subsistence in Bolivia : potatoes
Terraces: retain water and soil
Cash crops: soybeans, rice, cotton
3
Q
Llamas?
A
Machu Picchu ancient village use them to transport materials
Carry 25% body weight(125-200kg)
Females used for wool and meat
4
Q
Mining?
A
YANACOCHA gold mine
+more jobs
-pollution of water
Rank top 10 for tin(Bolivia), nickel(Columbia), silver and gold(Peru)
5
Q
Hydroelectric power?
A
Steep sloped valleys enable use
Melting snow in spring increased flow
YUNCAN PROJECT: 2 dams in NE Peru
6
Q
Plate boundary?
A
Collision : Nazca and South American plates