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HELIUM’S FUTURE UP IN THE AIR
A. In recent years we have all been exposed to dire media reports concerning the impending demise of global coal and oil reserves, (...)

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In which paragraph you can find information on:
- a use for helium which makes an activity safer?
- the possibility of creating an alternative to helium?
- a term which describes the process of how helium is taken out of the ground?
- a reason why users of helium do not make efforts to conserve it?
- a contrast between helium’s chemical properties and how non-scientists think about it?