What of the following has not played a major role in forming the grand canyon
a. erosion
b. marine animals
c. the colorado river
d. deposition of sediment

What was istanbul called before he ottomans conquered the city in the 15th century

Asap! ! ! ! true or false the gobi desert, the largest desert in asia. covers parts of northern china and southern russia

Which statement is an accurate description of life in mongolia in recent years? the majority of the population now lives in cities. after a brief period of democracy, communists regained control of the government. subsistence farming remains the primary economic activity in the country. relations between mongolia and china are now tense. -gradpoint