Which best describes a temperate deciduous forest? (A) Seasons are well defined,

(B) Short growing season,

(C) Low rainfall,

(D) all of the above.

I think its D all of the above

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.