Answer:
a is the answer 100% vertically
Explanation:
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.
Geographic information systam
its like a scan of the earth
