Answer:
Some reason of decrease in the population in the second and the third census are listed below, First World War. Recruitment of Nepalese Youth to Gurkha Army. Unscientific and unsystematic methods of counting population.
Like turkey, chicken, octopus, cow, etc
Understanding what ingredients are in a certain snacks are important, such as protein, iron, calcium, etc. These are all healthy ingredients because they are all proven to be good for you.
Hopefully that answered your question!