Answer:
A
Explanation:
i think it's most likely to be A
The answer is: [A]:
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"A groundwater storage area between two impermeable layers of rock."
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The answer to this question is More elastic
A product usually become inelastic if that product does not have any subtitute to fulfill the same function.
In the long run, advancement in technologies will create a way cheaper method in producing energy (such as electric, nuclear, or solar) which will make natural gas become more elastic.