Dna-dependent polymerase makes a copy of dna that is then used for translation. the process carried out by this enzyme is called

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

idk about that one.