Why does food cook faster in a pressure cooker?

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Accepted Answer

1. A pressure cooker traps steam and raises the internal pressure.
2. Higher pressure raises the boiling point of water above $100^\circ\mathrm{C}$.
3. The water and steam get hotter, so heat reaches the food faster.
4. Thus food cooks faster because of the **increased boiling point of water**.
FINAL_ANSWER: b

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