In general, the law of superposition states that in an undeformed sequence of sedimentary rocks, each layer

basically the same age
older than the one above it (my answer)
older than the one below it
thicker than the one above it

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.