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An island in Japan boasts of numerous dairy farms that own nearly one million cows, and supplies 70% of the milk sold in the country. These dairy farms have now begun to use cow manure to produce…

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An island in Japan boasts of numerous dairy farms that own nearly one million cows, and supplies 70% of the milk sold in the country. These dairy farms have now begun to use cow manure to produce hydrogen. The methane from cow manure mingles with steam in a high temperature environment to produce hydrogen, which is used to electrify the local zoo. __________________________.
  1. The Indian government too, should replicate this, and use such technology to produce hydrogen
  2. It is a case study of a certain animal that is useful in providing energy for several other animals
  3. This is an exemplary way of creating a sustainable source of energy using innovative technology
  4. This shows how Japan has always used technology to help animals

Answer and explanation

Correct answer: C - This is an exemplary way of creating a sustainable source of energy using innovative technology
It sums up the example as sustainable energy from innovative technology. The India sentence brings in an unrelated country, the 'animal providing energy for other animals' sentence is a facetious summary, and 'Japan has always used technology' over-generalises.

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