4. The sixth and seventh amendments are about: * O a. The ability to vote and petition the government
O b. How the legal system works
O c. Equal rights for all citizens
O d. Sanitation services

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.