Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

What is associated with abnormal forces or rather what does not cause strain in structures?
What does not cause strain in structures?

Do adults or juveniles secretions correlate no luminescence brighter?
Do adults or juveniles secretions luminesce brighter?

First published by Charles Darwin in 1830 this book was called what no wait which book was published by Sir Charles Lyell in 1830?
First published by Sir Charles Lyell in 1830 this book was called what?