The organic compounds in living things are organized into groups: carbohydrates, lipids, proteins, and nucleic acids. Which two macromolecules play a central role in Transcription and Translation?

lipids and nucleic acids

proteins and carbohydrates

carbohydrates and lipids

nucleic acids and proteins

nucleic acids and proteins

carbohydrates and lipids

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.