A word that takes the place of a noun. e.g. she he, they, it, I.
e.g #1
the name "Katy" is a noun but you can replace it with a pronoun and say "she". Katy went to the shop// She went to the shop.
e.g #2
The name of an object is a noun e.g "ball" but you can replace it with a pronoun and say "it". The ball bounced// It bounced.
Answer:
1-C
2-B
Explanation: Taken directly from the article.
Veeeeeeeeerrrrrryyyyy ccccaaaarrrrreeeefffffuuulllllyyyyyy