Answer:
What is the prototype or model about?
Explanation:
<span>not necessarily true or reliable, because based on personal accounts rather than facts or research.</span>
You would use the word it's in place of the words "it is" because it is a contraction.
If you were to say "It is hot outside today!", you would instead say "It's hot outside today!"
Mark as Brainliest, hope I have helped, and have a good day!!!