Answer: a. autoclaving
Step-by-step explanation:
Autoclaving is the technique of sterilization. The autoclaves are set at a particular time and temperatures. The two parameters are necessary for the proper functioning of the autoclave. The standard temperature for the functioning of the autoclave is the 121°C for a time period of 15 minutes.
The time extends according to the increase in the quantity of the autoclaving material, particularly for large volumes of liquid and for more dense materials. It is a benificial and useful technique for sterilizing surgical dressings, glasswares, microbial media, biohazardous materials,and others.