| A | B |
|---|
| Polder | a new piece of land reclaimed from the sea in the netherlands, land created by building dikes and draning water |
| population density | The average number of people living in a area |
| Peninsula | land area nearly surrounded by water |
| plateau | a large, rised area of mostly level land |
| tributary | a river or stream that flowes into a larger river |
| navigable | wide enough and seeep enough for ships to travel through |
| rain shadow | an area where the sheltered side of a mountain that recieves little rain |
| prarie | a area of grassland |
| tundra | a treeless plain in the arctic with permanatly frozen ground during the brief season when the topsoil freezes where grasses and mosses grow |
| tagia | an enormus forest in russia covering more than 3 million acres |
| steppe | a mostly treeless plain in russia the Steppes are grasslands of fertle soilsutable for farming |
| loess | a type of rich, dustlike soilfound in the north european plain |
| hydro electricity | the power ginerated by water driven tube lines |
| fossil fuel | fuel developed from the remains of ancient plants and animals |
| reserves | the avalible supplies of something |
| permafrost | soil that is permanatlly frozen |
