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observations, patiently gathered, of the outcrops of rocks,
their thicknesses, their angles and their
fossil content.
163 -The purpose of the passage is to explain ------ .
A) some experimental methods of geological investigation
B) why geology is a science suitable for enthusiasts' contribution
C) gradual developments in the field
of geology over the years
D) why it is so difficult to gather geological information
E) how experts analyse geological data gathered in the field
164 -It is clear from the passage that complex equipment for geological investigation ---- .
A) is vital to almost every part of the geologist's work
B) is of no use whatsoever in
the development of geology
C) may be easily mastered and used by the amateur
D) only plays a small part in the field of geology
E) is much the same as that used
in other scientific fields
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