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World Geography
Unit two vocabulary words
| Term | Definition |
|---|---|
| Plateau | A plateau is a flat, elevated landform that rises sharply above surrounding area on at least one side |
| Plain | A plain is a broad area of relatively flat land |
| Isthmus | An isthmus is a narrow strip of land that connects two larger landmasses and separates two bodies of water |
| Continental shelf | A continental shelf is the edge of a continent that lies under the ocean |
| Trench | Ocean trenches are long, narrow depressions on the seafloor |
| Desalinization | process that removes the excess salt and other minerals from water in order to obtain fresh water |
| Groundwater | water that is under the ground to fill the spaces between sediments and cracks in rock. |
| Delta | landform where the mouth of a river flows into an ocean, sea, desert, estuary, lake or another river. It is formed by sediment carried by the river being deposited in the wider mouth |
| Water Cycle | The water cycle is the process of water moving around between the air and land. |
| Evaporation | Evaporation is the process by which a liquid turns into a gas. |
| Condensation | Condensation is the process where water vapor becomes liquid |
| Acid Rain | form of air pollution. When harmful gases in the air mix with oxygen and water in the air and comes down in rain , its called Acid rain. |
| Death rate | Ratio of numbers of death compared to the total number of people. |
| Birthrate | number of babies born compared to the total number of people |
| Doubling time | number of years it takes a population to double |
| Population distribution | Geographical pattern of where people live. |
| Population density | average number of people living in one square mile or kilometer |
| Urban | city areas , which are densely populated |
| Rural | Country side are which have less population |
| Emigrate | is leaving one's country or area to go live in another |
| Immigrate | Immigration means people moving into another country to live |
| Refugee | Refugees are people who must leave their home area for their own safety or survival |
| Urbanization | is the movement of population into cities and away from rural areas |
| Megalopolis | Very large city also called Supercity sometimes. |
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