Because food is a basic life necessity, it must be kept safe from contamination to prevent illness or infection. Food safety specialists are tasked with observing and testing food samples to ensure the integrity of products in order to protect the general population.

The United States of America commonly called the United States, is a federal republic consisting of fifty states and a federal district. The 48 contiguous states and the federal district of Washington, D.C. are in first North America between Canada and Mexico. The state of Alaska is in northwestern North America, west of Canada and east of Russia across the Bering Strait, and the state of Hawaii is an archipelago in the mid-North Pacific. The country also has five populated and nine unpopulated territories in the Pacific and the Caribbean.

A Master of Science is an educational program that requires students to complete coursework, hands-on training, and a research paper in order to earn the degree. With an MSc, students have the option of specializing their degree in a chosen field or concentration.

Part-time learning allows one to obtain a degree or qualification even if one cannot attend school on a full-time basis. One can learn at one's own pace, gradually accumulating credits that count towards a final qualification.