I think you have them right
No it is not punctuated correctly
Answer:
Ice cracks a rock
Explanation:
I could also plant roots break rock but its more likely to be ice.
Answer:
She's fallen of bicycle,hasn't she?
The primary reason why Dickens wrote David Copperfield is because G. it was too painful for him to confront his memories directly in an autobiography.
This way, he could write about his own life, but in a different way, from a different point of view, which wouldn't be as difficult.