Critical Reasoning (CR) | Re: Scientist: There is a finite amount of helium, which is a key componen

"The price of helium should be raised".This needs strengthening.We can strengthen this argument by showing that this has an effect on the people using helium(in this case the effect is = making it more difficult for people to but helium balloons) & hence the raising of price is going to be useful.

Only answer fitting this logic is E.

No other option comes close.

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