What was the primary motivation for the draining of lake beds in Mexico City? A. to reduce the risk of flooding B. to prevent the spread of diseases C. to protect the city from invaders D. to mine for gold under the lake beds   

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Which season has the least amount of rain in the northern latitudes

Those who hope that land reform will end the problem of mass poverty and social inequality throughout middle and south america often cite as one of the causes of the problem. a. asian immigrants b. the indigenous population c. european systems of landholding d. the power of the roman catholic church