Animal Health, Breeding, Meat Sanitation/Preservation, Feeding, Waste Disposal
Altering grade records within a computer system is called forgery. The correct option among all the options given in the question is option "a". Any kind of altering using the computer without the consent of the proper authorities amounts to forgery. Forgery is a crime and a person can be jailed for such a serious offense.
A. (pie chart) - correct answer