Number of combinations created in this step: 19

21. Bacteria = Amino Acids + Swamp
22. Rain = Clouds + Water
23. Glass = Fire + Sand
24. Minerals = Hydrothermal Vein + Earth
25. Fulgurite = Lightning + Sand
26. Lead = Metals + Fire
27. Electricity = Metals + Lightning
28. Rust = Metals + Water
29. HNO3 = NO2 + Water
30. Salt = Salt Water + Air
31. Clay = Sand + Swamp
32. Gold = Sedimentary Rock + Metals
33. Silver = Sedimentary Rock + Metals
34. Magnet = Stone + Metals
35. Zinc = Metals + Fire + Fire
36. Cold = Wind + Wind + Clouds
37. Aluminum = Metals + Fire + Fire + Fire
38. Copper = Metals + Fire + Fire + Fire + Fire
39. Iron = Metals + Fire + Fire + Fire + Fire
40. Chromium = Metals + Fire + Fire + Fire + Fire + Fire + Fire
41. Tungsten = Metals + Fire + Fire + Fire + Fire + Fire + Fire + Fire