Air-condition engineering system

 Systems Engineering and Integration.docx 

I’m doing an air-condition engineering system and I need to defind why

a. it is an assemblage or combination of elements or parts.

b. the elements or parts are functionally related.

c. the elements or parts form a unitary whole.

You can read more about these questions in the attachment if you need more understanding.

Please I need citation for all the work.