Which challenges does canada face in efforts to reduce the fossil fuels? a) there is no intreast in developing other fossil fuels. b) the cost of alternatives sources is too high c) fossil fuels are large industry in the economy d) manufacturers refuse to stop using fossil fuels.

Which of these is not a criticism of the concentric zone model? it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.