We use a process of heating liquids to prevent spoiling by bacteria and other microorganisms. what is that process called and for what food is it used

Solution:

The process of heating liquids to prevent spoiling by bacteria and other microorganisms is known as pasteurization.  tis process is used for purifying milk and juices etc.

Pasteurization : Pasteurization(pasteurization) is a process in which certain packaged and non-packaged foods (such as milk and fruit juice) are treated with mild heat, usually less than 100 °C (212 °F), to eliminate pathogens and extend shelf life. The process is intended to sterilize foods by destroying or inactivating organisms that contribute to spoilage, including vegetative bacteria but not bacterial spores.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.