Respuesta :
The problem with Sergio's thinking is that gas is a nonrenewable resource. It takes hundreds of years for fossil fuels to form, and when they are used up, there won't be any more of it, it will disappear because it is not easily renewable like wood, etc.
From the statement “Sergio likes to drive and thinks that gas will be around forever”, the problem with Sergio’s thinking is that the gas will be around forever. Gas is a nonrenewable resource and can be depleted if proper management is not conducted.