Why do geologists believe that part of the african continent will break off in the next 50 million years? a. it has active volcanoes b. it experiences severe earthquakes c. it is near a mid-ocean ridge b. it is part of a rift valley

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.

Based on current rates the earths human population is expected to grow how much by 2050

Which of the following is not a consequence of urban sprawl? increased racial tensions the relocation of industry to the inner cities higher poverty rates in the inner cities higher unemployment rates in the inner cities population losses to inner cities