describing a natural phenomenon and the challenges its study presents to researchers
discussing a scientific field of research and the gaps in researchers methodological approaches to it
comparing two distinct fields of physical science and the different research methods employed in each
proposing an explanation for a geophysical phenomenon and an experiment that could help confirm that explanation
25. The passage suggests which of the following about surges in the Earths outer core?
They occur cyclically every few decades.
They can be predicted by changes in the Earths inner core.
They are detected through indirect means.
They are linked to disturbances in the Earths atmosphere.
They last for periods of about 1 million years.
26. It can be inferred from the passage that geophysicists seeking to explain magnetic tempests ought to conduct research on the Earths outer core because the Earths outer core
is more fully understood than the Earths magnetic field
is more easily observed than the Earths magnetic field
has been the subject of extensive scientific observation for 300 years
is involved in generating the Earths magnetic field
【gre考试阅读真题解析(A)】相关文章:
最新
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01