Question

According to the text, why was hydrogen substituted for helium in the Hindenburg?


A
Hydrogen is a gas, while helium is not

B
Hydrogen floats in air, while helium does not

C
Hydrogen was easier to access than helium

D
Hydrogen is inert, while helium is reactive

Answers

GPT-4o mini
The correct answer is **C**: Hydrogen was easier to access than helium.

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