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23 Cards in this Set

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23 degrees south of the equator
Tropic od Capricorn
Difference between the Julian and Gregorian calendars
the Gregorian calendar is more accurate. in it, every fourth century year (1600, 2000, etc.) is a leap year
The gradual changing of organic matter into a stonylike substance
Petrification
Uses a series of cones with slightly different shapes to make a map. The projection that is produced is nearly perfect in all respects for small areas
What is a Polyconic projection
Movement of the earth around the sun
Revolution
Minerals can be identified by what properties
Physical Properties
Shows the risinf and descending nature of an area
relief map
Three layer of the earth
Crust, mantle and core
Rocks that are made up of sedimentary or igneous rocks that have changed in form
metamorphic
Formed from the remains of dead plants
Coal
Most abundant metal in the earth's crust
ALuminum
Rock formed from the accumulation of the remains of dead plants or animals
Organic sedimentary rock
Warm current of water flowing between the Gulf of Mexico and Newfoundland
Gulf Stream
Sudden drops in the ocean floor
deeps
layer of exposed bedrock
outcrop
the amount of salt in the ocean
salinity
Three major classifications of rocks
Igneous, metamorphic, and sedimentary
Location east or west if the prime meridian
Longitude
The remains, impressions, or tracks of an organism that lived in the past
Fossils
How long it takes the earth to complete orbit around the sun
365 days
The location north or south of the equator
Latitude
Ways that the earth differs from other planets
Oceans, living organisms, oxygen
Imaginary line connecting the North and South Poles
axis