1. What are RFID tags used for?

A) shipping products
B) creating an expense journal.
C) tracking inventory
D) protecting trademarks

I'm not sure about this one.
Honestly, I'm stuck between A and C.
Could someone help?

4 answers

This may help.
http://internetofthingsagenda.techtarget.com/definition/RFID-tagging
Thank you!The answer is C, correct?
yes, c
Spell icup, that profanity should not be allowed on Jiskha.

pro·fan·i·ty
[prəˈfanədē]
NOUN
blasphemous or obscene language:
"an outburst of profanity"
synonyms: oath · swear word ·

expletive · curse · obscenity ·
a swear word; an oath.
irreligious or irreverent behavior.
synonyms: sacrilege · blasphemy · irreligion · ungodliness