B. Facts from a documentary about mechanical and artificial hearts.
Answer:
Is there a book or any thing i can do to have some backround?
Explanation:
Time passes quickly.It is a way how things move, it depends if your bored then you feel like time is going to slow and when your having fun it's like wow already!
When writing nonfiction, an author has far more freedom to A. use their imagination and create new ideas, and D. in how they present their internal conflicts.
Hope this is helpful
Foxeslair.