raw milk was once considered a very wholesome and healing food. However, with the increase in the use of pasteurization and homogenization processes, milk has become less like the traditional raw milk that our ancestors used to drink. Furthermore, more and more people are unable to drink the highly processed milk without problems. (2) In pasteurization, milk is heated to a high temperature to kill potentially harmful bacteria. Some scientists say that the protein structure of milk changes in this process and many beneficial enzymes are destroyed. In homogenization, the fat molecules in milk are broken down so that the cream does not separate in the milk. The smaller molecules of fat may therefore he more The pronoun That in Paragraph (1) refers to ………….
The pronoun That in Paragraph (1) refers to