Which area has the highest population of people of African descent? South America The Caribbean Central America

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine