Explain how changes to primary industry may have positive impacts on a coastal community

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.

Where the main factor that enabled the growth of cities and civilizations was the existence of