How did zoning laws help to reduce the danger from pollution?%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AThey required factories to limit their use of chemicals.%0D%0AThey required factories to limit their use of chemicals.%0D%0A%0D%0AThey kept factories outside of residential neighborhoods.%0D%0AThey kept factories outside of residential neighborhoods.%0D%0A%0D%0AThey relocated factories to rural areas far away from cities.%0D%0AThey relocated factories to rural areas far away from cities.%0D%0A%0D%0AThey established building codes to reform factory plumbing.%0D%0AThey established building codes to reform factory plumbing.

They kept factories outside of residential neighborhoods.