Which is made from the remains of dead marine organisms over millions of years? a. oil and natural gas b. coal and oil c. coal and natural gas d. oil and uranium a?

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