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Briefly explain why Mercury, Venus, and the Moon do not have significant erosion. Relate erosional activity to planetary size and distance from the Sun.
Stages of Development
A theoretical framework describing the progression through which societies, economies, or industries evolve over time.
Per Capita Income
A measure of the average income earned per person in a given area or country, calculated by dividing the area's total income by its population.
Manufacturing Sector
The segment of an economy that is involved in the production of goods using labor, machinery, and tools.
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