Carbohydrates, dna, and lipids can be found in living things as long as molecular chains. which of the following statements best describes how dna differs from lipids and carbohydrates? a) only dna contains nucleotides b) only dna is found in the cytoplasm c) only dna has carbon atoms d) only dna is used for energy storage and structural support

Only DNA contains nucleotides. A.

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.