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12 Cards in this Set

  • Front
  • Back
Wanders from place to place in search of food?
nomad
A deep narrow inlet of the sea, bordered by steep cliffs?
fjord
The principles and standards of a person or group?
values
A group of people who are joined together by the same culture and purposes?
society
A part of a river with swiftly flowing water?
rapids
What is left behind by prehistoric people?
artifacts
A kind of water elevator that moves boats to higher or lower levels?
locks
A permanently frozen layer of the earth found in artic regions?
permafrost
A vast treeless plain in the northern most parts of North America, Asia & Europe?
tundra
A waterway that is built across land for boat travel, irrigation, or drainage?
canal
An imaginary line on mountains and in polar regions above which or north of which trees cannot grow?
timberline
A form of pollution created when rain mixes with chemicals from the burning of fuel.
Acid rain