which is an example of a subsystem and system relationship?\nwind, solar\npencil, pen\nmechanical toggle…

Brief Explanations:

A subsystem is a part of a larger system. A mechanical toggle is a part of an Xbox controller, making it a subsystem - system relationship. Wind and solar are different energy sources, a pencil and pen are different writing tools, and a television and stereo are different electronic devices, none of which have a subsystem - system relationship.

Answer:

C. mechanical toggle, Xbox controller