Petroleum Step by Step
How do I combine the necessary elements to create petroleum in Little Alchemy?
Here we show you the walkthrough, just follow the steps below:
1 air + fire = energy
2 earth + water = mud
3 air + air = pressure
4 earth + fire = lava
5 air + water = rain
6 air + lava = stone
7 earth + rain = plant
8 air + stone = sand
9 fire + sand = glass
10 mud + plant = swamp
11 energy + swamp = life
12 air + life = bird
13 bird + bird = egg
14 glass + sand = time
15 egg + swamp = lizard
16 lizard + time = dinosaur
17 dinosaur + earth = fossil
18 fossil + pressure = petroleum