Which of the following strategies can reduce urban sprawl?
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a. building high-rise homes and offices
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b. building long city blocks
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c. creating expensive housing in the city
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d. creating a green belt

a. building high-rise homes and offices

explanation:

i took ap human geography and answer choice b would only increase urban sprawl meaning it takes away more of the land and expands, c also increases urban sprawl meaning takes away more land and expands, d also takes up too much land and expands even more. the answer choice is a because it uses the land prominently and effectively and doesn't expand the land.