Problem: Given the question: - Gather the ingredients for the cake - Mix the flour, sugar, egg, and water to make batter - Pour the mixture into a cake pan - Place the cake in the oven to cook - Take the cake out when it is cooked through - Let the cake cool What might be the last step of the process?
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The answer is:
Serve the cake

Problem: Given the question: - A plant dies - The remains of the plant are buried very fast in sediment - The soft parts of the plant decay - The hard parts of the plant are replaced with minerals - The sediment turns into rock - The rock erodes What might be the last step of the process?
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The answer is:
The fossil appears on the surface of the ground.

Problem: Given the question: - Plants and animals long ago died - They are buried under layers of soil - Pressure builds over time - The remains liquefy What might be the last step of the process?
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The answer is:
The carbon atoms rearrange to become a new substance.