Scientists are now able to use the genetic code of organisms to find out more about their evolutionary history. How is this most likely to impact classification? Organisms once thought to be unrelated may be found to be related. Mode of nutrition of some organisms may change. Organisms that do not have a backbone may develop one. All multicellular organisms may be found to be prokaryotes

answer; i believe that the correct answer is (lung);

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

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.