What is exploration?

by

 

  BOOK CAMBRIDGE IELTS 15 ANSWER KEY
  ACADEMIC READING TEST 1 (ONE) PASSAGE 3
   
27 A
28 C
29 C
30 D
31 A
32 B
33 E
34 A
35 D
36 E
37 B
38 (unique) expeditions
39 uncontacted / isolated
40 (land) surface

 

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