The change in urine production during this 3-hour period was most likely the result of
(1) antibody production
(2) homeostatic feedback
(3) enzymatic breakdown of the water consumed
(4) nerve cell malfunctions of the kidney

can you give me more to work here with plzs and you

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.