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The boat Earthrace made an attempt to break the record for a circumnavigation of the Earth. It also made voyages to promote the use of bio-fuels. Which of these is one of the substances used to make the bio-diesel, that powers the boat?

  1. Burnt uranium
  2. Old computer motherboards
  3. Recycled clothing hangers
  4. Liposuctioned body fat

Answer

The correct answer is D) Liposuctioned body fat.

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