Identify the small biological units that make up carbs, protein and fats

See the answer below please.

Explanation:

The small biological units of carbohydrates (example: starch) are monosaccharides (example: glucose), of proteins (example: albumin) are amino acids (example: alanine) and lipids are fatty acids and glycerol .

explanation: grsaa

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.