The author Mary Shelley use the word chimerical in that line because she said that the powers of Cornelius Agrippa were improbable and because she wanted to say this in a fancy way.
Hope this Helps :)
BTW, Mary Shelley is the author of Frankenstein <span />
Answer is B population growth
C. 56,000
Sited by NHTSA stats and driving schools across the United States of America.
The correct answer would be poetry