Final answer:
Refrigerant recovery is the process of removing refrigerant from a system and storing it in an external container with the lowest emissions possible.
Step-by-step explanation:
Refrigerant recovery is defined as the process of removing the refrigerant from a system and storing it in an external container, with the lowest emissions possible. This is option A. It is important to recover refrigerants because they are harmful substances that can contribute to ozone layer depletion and climate change.