Why are there so many earthquakes in south america?
o
south america's lack of stable infrastructure and good building codes.
o
south america's proximity to two major oceans and the equator,
south america's location atop the nazca and south american plates of the circum-
pacific belt
o
south america's incredible biodiversity lends itself to hazardous conditions.

Which of the following countries has declared itself nuclear free

Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.

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.