Unit 2 Flashcards
Evaporation
turning liquid into vapor
Condesation
the process by which water vapor changes from a gas into liquid droplets
Magma
liquid rock
Weathering
rocks that break and decay over time
Erosion
the movement of surface material from place to place
Glacier
thick masses of ice
Plateau
elevated flat land
Desalinization
the process of removing salt from water
Headwaters
small streams from runoff of water
Tributaries
a small stream/river that flows into a larger stream/river
Humus
broken down plant and animal matter in soil
Contour Plowing
plowing fields across a hill rather than up and down the hill
Dialect
a regional variety of a language
Leaching
downward movement of minerals and humuas in soils
Population Density
the average number of people living in an area; usually expressed as persons per square kilometer
Natural Boundary
boundaries that follow a feature of the landscape
Abyssal Plain
flattest and smoothest regions (found on the ocean floor)
Polytheism
the belief in many gods
Tarrifs
taxes on imports and exports
Command Economy
an economic system in which the government decides what to produce where to make it and what price to charge
Literacy Rate
percentage of people who can read and write
Birthrate
the number of live births each year for 1,000 people living in a place
Market Economy
an economic system in which people choose freely what to buy and sell