1. The atmosphere can easily cause weathering in limestone because of its...? a. mineral content
b. nitrogen content
c. oxygen content
d. carbon dioxide content

2. Where would chemical weathering occur rapidly?
a. humid climates
b. dry climates
c. cold climates
d. polar regions

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.