On a topographic map the difference in elevation between the highest and the lowest points of a region is know as the

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

East asia is considered a less developed nation. true or false

What are mountains that divide european russia from asian russia?