Amirror is used for reflecting light, and typical mirror materials are quartz or nickel plated aluminum. Given these facts, what are used for reflecting light among the following options:
- extremely important
 - Electrical energy
 - an electron lens
 - Bundles of fibers
 - quart or nickel plated aluminum
 - an external framework
 - that material's properties
 - To another location like underground


 

     quart or nickel plated aluminum    