Discuss the benefits and problems associated with urban sprawl.
What will be an ideal response?
As a city grows and extends (sprawls) beyond its historic boundaries, its overall ecological footprint and environmental impact grows. Compared to centralized cities, suburbs have low-density housing located far from jobs and shopping centers which means that everyone must own and drive a car. In addition, mass transit is expensive and difficult to accommodate the needs of residents in these suburban housing developments. The houses are typically larger than those of a city dweller and freestanding, which translates into higher heating and cooling energy demands. Large natural areas are converted to houses and streets can diminish biodiversity and degrades natural services. On the other hand, people enjoy living in their spacious houses. Many suburbs have the newest and best schools, better health care, and lower crime rates.
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Where did Saturn's rings likely come from?
A) either a moon that never formed, or a moon destroyed by tidal forces B) the decay of radioactive particles in the outer fringes of Saturn's upper atmosphere C) volcanic activity on its surface ejecting matter into space D) the gravitational capture of old satellites and other space junk lost from Earth's orbit and other space missions
London, UK is on the Prime Meridian. Using the 90 degrees West longitude for Chicago, what is the time in London if Chicago's time is 8 AM?
A) 3 AM B) 2 PM C) Noon D) Midnight E) 5 PM
What occurs during cementation?
A) Additional layers of sediment accumulate and press down on the layers underneath them. B) Sediment is heated up, causing them to cement together. C) Minerals precipitate from water in the pore spaces between sediment particles and cement them together into rock. D) Sediment crystallizes, causing them to cement together.
Which continent has the highest ratio of available fresh water to population size?
-Europe -Asia -North America -South America -Australia -Africa