Hey guys How I'm looking​

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

One does not belong why? ice, gold ,wood ,diamond and table salt

‘which reaction would most likely require the use of an inert electrode?