How are s waves and surface waves similar? both arrive after p waves. both compress the ground. both travel through liquids. both produce minimal ground motion.

The answer is;  Both arrive after P waves.

Surface waves only travel through the crust level while S waves travel through the core of the earth (hence called body waves).Nonetheless, S waves (and other body waves) arrive before the surface waves and are of a higher frequency. On the other hand, surface waves are more destructive than body waves.

the answer is A

Explanation:

2%? i tried finding the exact sorry if it's not 100% correct ; -;

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.