SAVING THE SOIL

 

  BOOK CAMBRIDGE IELTS 13 ANSWER KEY
  ACADEMIC READING TEST 4 (FOUR) PASSAGE 2 ANSWERS
   
14 minerals
15 carbon
16 water
17 agriculture
18 C
19 E
20 A
21 D
22 E
23 C
24 F
25 G
26 F
   

 

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