The word "only" is absolute.
She uses the Radio-frequency identification(RFID) which is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects.These tags contain electronically-stored information.the passive tags collect energy from a nearby RFID readers interrogating radio waves.They contain an integrated circuit and an antenna which are used to transmit data to the RFID reader also called an interrogator.
Answer:
A) Caption
Explanation:
This option makes the most sense. It's not Word Art or Comment. An illustration is like a drawing, so that's incorrect as well, leaving only caption as the correct answer.
Hope it helps!
Answer: c
Explanation:I done this before;DDD
A symbol or set of characters in a programming statement whose value can be changed
