We keep fresh meat refrigerated or frozen. which technique for maintaining the quality and freshness of meat is used in this example?

physical

physiochemical

chemical

biological

biosexual is someone who is has sexual eyes on making bios? ?

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.