The word "context" underlined in Paragraph 1 means______.
A. setting
B. limit
C. generality
D. work
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Which of the three approaches tended to later gain most acceptance?
A. situation
B. trait
C. power
D. behavior
One impact that the burning of______fuels has had on the earth's environment has been the
A. vehicle
B. oil
C. gas
D. fossil
Earth observations should provide " value added " applications from existing environmental
A. as
B. to
C. for
D. with
Why does the author say that the important part of this research began when two Harvard researchers were brought in?
A. Until then the research had been poorly conducted.
B. They took a multifaceted approach.
C. The results of the original research did not make sense.
D. Harvard had a good reputation in conducting research.