Road to IELTS Listening Test 3 Section 4 (British Council) with subtitles & answers

Road to IELTS Listening Test 3 Section 4 (British Council) with subtitles & answers

ANSWERS: 31. living entity 32. nutrients 33. minerals 34. bedrock 35. subsoil 36. topsoil 37. pollution 38. pest control 39. production practices 40. predator