Match the following:Part A1. a layer of ozone (O₃) in the stratosphere that absorbs much of the incoming ultraviolet radiation from the Sun and prevents it from reaching the surface of Earth 2. a pump that increases the pressure of a gas 3. a substance used to transfer heat energy while vaporizing and condensing 4. a sequence of thermodynamic processes whereby the use of a refrigerant accomplishes the transfer of heat energy so that cooling results 5. a valve that controls the flow of fluid from a high pressure area to a low pressure area Part Ba. compressor b. expansion valve c. ozone layer d. refrigerant e. refrigeration cycle