two spur gears have same module the pitch circle diameter of the first ear is twice that for the second year if the number of teeth in the first gear is 18 what is the number of teeth in the second gear

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