Can you open it better because like I'm trying to read it I know it's about science but I can't really read all the words to help you with your question so please make another photo showing like a better picture of it please thanks
AFTER THE CEREMONY. - this phrase is an adverb phrase.
Adverb phrase is a group of words that act as an adverb. It modifies a verb, adverb, or adjective and can tell "how", "where", "why", or "when".
In this case, the adverb phrase tell "when". When did the bride left with the groom? After the ceremony.
Answer:
magnetic strip, or a microchip, or both.