All life shares about 200-300 genes that were present in ancestral life forms

The anwser is the universe

Answer : romans built laws to manage the pollution which was lead by smoke produced by the factories.

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.

Ibelieve its cultural universal

The parents of an infant with newly diagnosed cystic fibrosis ask a nurse what causes the foul-smelling, frothy stool. what is the  best  response by the nurse?