| BOOK CAMBRIDGE IELTS 4 ANSWER KEY | |
| ACADEMIC READING TEST 3 (THREE) PASSAGE 2 (TWO) | |
| 14 | iii |
| 15 | i |
| 16 | iv |
| 17 | vi |
| 18 | plates/ the plates/ the tectonic plates |
| 19 | magma |
| 20 | ring of fire |
| 21 | 600/600 years/ for 6000 years |
| 22 | water/ the water/ oceans |
| 23 | lava/ magma/ molten rock |
| 24 | India/ western India |
| 25 | explodes |
| 26 | gases/ the gases/ trapped gases |