Which of these claims is most likely true of two species that share a recent common ancestor? O The two species have different developmental patterns.
The two species share DNA sequences.
O The two species have similar arms and legs.
O The ancestors of each species looked very different.

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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.