The Internet is an example of a WAN: Wide Area Network
Huh ? I don’t understand the question
The following cools the air in a household refrigerator: Absorption of the heat from the air due to evaporation of the liquid refrigerant . Correct answer:B
The function of the refrigerator is to absorb heat into the refrigeration system. The evaporator is placed in the area to be cooled. The refrigerant vaporizes from the heat it absorbs heat in the evaporator.
