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Which match do you have to move, to turn these four cubes into three?
Great, you answered "C".
See here what other people have answered:
- A
- B
- C
- D
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Interesting fact:
Due to the white phosphor used in matches, factory workers in the early 1800s developed a painful condition called “phossy jaw”. The jaw bone would start to disintegrate and glow in the dark (only when extracted though). The condition was lethal for 1 out of five affected. It got better after the discovery of red phosphorus in 1845.