What evidence scientists place organisms in the particular eras and periods?

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.

What are the causes and effects of the spread of christianity

Brainliesttt ! : ) -what was the result of indian independence?