Question 5 Review
An air mass originating over north central Canada would most likely be
1.
warm and dry
2.
warm and moist
3.
cold and dry
4.
cold and moist

-hails tea

explanation:

-t poses

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.

if someone had the list of traits you provided