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Geography CRT SG

Terms

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delta
deposites of sand and soil at the mouth of a river form...
hydroelectric energy
energy created by falling water
seasons
change that is caused by the tilt of the earth and its travel around the sun
physical and human characteristic
2 characteristics geographers focus on when studying a place
landforms
plains and mountains
atmosphere
layer of air surrounding the earth
faults
cracks in the earth's crust
desert
climate that usually gets fewer that 10 in. of rain per year
solar enery
energy created by the sun's heat
tornado
funnel-shaped windstorm that forms over land
precipitation
water falling to the earth's surface
latitude
other factor that determines a region's climate other than the movement of air and the movement of water currents
acid rain
precipitation mixes with pollution causes...
plate tectonics
theory about the earth's structure
oxygen
nitrogen and ... makes up most of the atmosphere
GIS- geographic information systems
special computer software geographers use to gather different informantion about the same place
ozone
layer of gas that serves as a shield and filters out harmful rays from the sun
refugees
people who are forced to flee for their countries
weathering
process of breaking away suface rock into boulders, gravel, sand, and soil
island
body of land smaller that a continent and completely surrounded by water
peninsula
piece of land with water on three sides
aquifer
underground rock layer through wich water flows
water vapor
water in the form of gas
elevation
height above sea level
groundwater
water that can be tapped into wells
atmosphere
screens out dangerous rays from the sun on the earth
ocean floors and continents
earth's crust includes...
emmigrants
people who leave their country and move to another
trenches
lowest spots on earth's crust
nitrogen and oxygen
two gases that form about 99% of the atmosphere
tsunami
undersea earthquakes
crop rotation
farmers do this to avoid depleting all the nutrients in the soil
when cold winds from the east are weak
el ninos occur...
southern hemisphere
winter- northern hemisphere, summer- ...
region
areas on the earth with common characteristics
urbanization
people's movement to cities
glaciers
giant sheets of ice
weather
unpredictable changes in the air during short periods of time
global warming
greenhouse effect causes...
hurricanes
tropical storm systems that form over the Atlantic Ocean
plains
low-lying streches or flat or gently rolling land
Amazon Basin (in South America)
world's largest rain forest area
water cycle
constant movement of the earth's total amount of water
erosion
wind or water carrying away soil
mouth
point where a river empties into another body of water
maps and globes
main tools geographers use
70
...% of all freshwater that is used for farming
birth rate
average number of births for every 1,000 people
vegetation
trees and plants
source
point where a river originates
core
innermost layer of the earth
desert
driest areas on earth's surface
core
center part of the earth
warm
people who live in the tropics usually have a climate that is...
death rate
average number of deaths for every 1,000 people

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