What parts of speech is the word 'Extraordinary'?

The children were rushing about. The underlined word is used here as-

The child sat mute in the corner of the park. Here, 'mute' is a/an_____________.

Identify the conjunction in the sentence ' $I$ will go to the market like I am invisible'.

Thank you very much"- এ বাক্যে very শব্দটি একটি-