Ridges, Ridges are elevated boundaries that divide watersheds
<span>The steppes of southern Russia, the African veldt and the pampas of Argentina are good examples of grassland biomes.</span>
It depends on the map. There should be a key indicated.
Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term. Hope this answered your question
