Part 4 answers:
31. digestion
32. calcium
33. brains
34. ageing
35. genes
36. money
37. tax
38. Gods
39. pockets
40. monopoly
@realexamielts
31. digestion
32. calcium
33. brains
34. ageing
35. genes
36. money
37. tax
38. Gods
39. pockets
40. monopoly
@realexamielts