Serendipity accidental discoveries in science

 

  BOOK CAMBRIDGE IELTS 10 ANSWER KEY
  GENERAL TRAINING TEST B SECTION 3 QUESTION 27-40
   
28 C
29 F
30 A
31 E
32 A
33 B
34 C
35 B
36 C
37 C
38 prepared mind
39 iodine vapour/vapour
40 chemical/chemicals
   

 

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