Question

Which of these is a disadvantage of using natural gas?

Answer 1

Since you say ‘which’ , in order to answer you, we would need the options you are given, but my answer would be
1. Not reusable
2. Might use up someday
3. Burning it will produce carbon dioxide and worsen global warming

Hope these can help :)

Answer 2

extraction through fracking can contaminate groundwater.

Step-by-step explanation: