Question

when a group of urban planners was asked to rank the ten most important influences on american in the last hundred years, one of the top advances on the list was the air conditioner. in 1960, air conditioner was found in only 12% of the u.s. homes. in the south, only 18% of homes had it. today, 85% of homes nationwide have air conditioning. the rise of air conditioning has had its most obvious impact on our choice of where to live. between 1960 and 2009, the population of the northeast region grew by 23% and the midwest by 28%. meanwhile, the south swelled by the 96% and the west ballooned by 143%. a mass migration led millions of families to the sunbelt (southern and western) cities. air conditioning has made hot, humid and mosquito - infested regions more habitable. ---stan the ins angeles times 2010 based on this passage, how did air conditioning affect americans? a it helped people to adapt to hot and humid places. b it had little effect since most american homes still lack air conditioning. c few new homes in the northeast are built with air conditioning. d between 1960 and 2009, the u.s. population in the south grew by 28%.

Explanation:

The passage states air conditioning made hot, humid regions more habitable, leading to migration to the South/West. Option A aligns with this; B is wrong (85% have AC now), C is unsupported, D misquotes (South grew 96%, not 28%).

Answer:

A. It helped people to adapt to hot and humid places.