In the context of the personal form of voluntary disposition of possessions, is the primary beneficiary.

In the context of the personal form of voluntary disposition of possessions, the giver is the primary beneficiary.

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.

your answer is going to be physical weathering