mimi145 mimi145

22-10-2016
Chemistry

Answered

Why isn't air travel based on hydrogen popular today? A.Hydrogen is very expensive B. Hydrogen is difficult to find C. Hydrogen is flammable and dangerous D. Hydrogen is too cold for travelers to stand on long trips

Verified Answer :

22-10-2016

the answer is c. hydrogen is flammable and dangerous

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Anonymous Anonymous

23-10-2016

C.hydrogen is difficult to find

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