Environment and Biodiversity - 1

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Multiple Choice

What are the main barriers of using hydrogen as an alternate source of energy?

  1. It is not cost-effective.
  2. It is not completely pollution free.
  3. It poses problems of storage and distribution.
  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3
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