Answer:
Spare tire in abdominal area is large amount of fat deposits usually derived by poor diet and lack of exercise
Leukocytes are produced/stored in thymus, spleen, and bone marrow
I’m not 100% sure what you are asking for but here is my explanation
The grouping of objects helps the shopkeeper because now the shopkeeper can find where everyone is faster. This will ultimately make taking inventory easier. As a result the efficiency of the shop and the shopkeeper will be faster. An efficient shop will result in better sales and overall will make the shop better.
DNA is the correct answer but next time put answer choices so that people can better answer your questions. Thanks!