One of the primary goals of geology is to ________
A) understand the history of the earth
B) understand the role of plate tectonics in the earth's evolution
C) determine the role of meteorites in the decline of species over time
D) develop a comprehensive relationship between fossils and geologic formations
E) identify all of the rocks on the surface of the earth
A
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In the 1970s,____________________were the most widely used propellants in spray cans, such as deodorants and hairsprays
Fill in the blank with correct word.
During what time period did large mammals roam the continent?
A) Mesozoic B) Cenozoic C) Precambrian D) Paleozoic
A large, complex mass wasting event that is difficult to classify is often called a ____
a. ground tsunami b. landwave c. landslide d. landflow
In 1958 trash collection programs were established, and backyard incinerators were banned in the hope of reducing smog. However, it was estimated that massive amounts of gasoline were evaporating from storage tanks, fuel pump nozzles, and delivery trucks. This was also considered a serious contributor to smog, and over the next 20 years several new rules, and several new devices, were put in place to alleviate it. There was still a great deal of smog, now identified as photochemical smog, despite the changes. The major remaining problem was ________.
A) indoor pollution from new houses, with new furniture B) the influx of new manufacturing, with new chemicals C) too many coal-fired power plants along the coast D) the large distances traveled daily by solitary commuters E) insufficient city funding to improve waste dumps