Answer:
Claims of ancient bacteria discoveries have been disputed by scientists.
Explanation:
C. the first mass production of books
I believe that the answer is active characterization because all of the characters are doing something. For example, the parents cleaned up the kitchen while the children are playing a game.
We sometimes like to feel frightened because it gives an adrenaline rush. This kind of fright we have can occur when doing things like watching a scary movie or doing a dangerous stunt. We do this because sometimes being frightened can be kind of fun at the same time.