This is called Dramatic Irony. The definition of this is in the question.
The possessive pronoun is her...referring to "her family" Leah is showing her family as a possession.
To look at someone with pleasure
Answer: Yukon was straining to break loose the ice that bound it down.
Air-holes formed, fissures sprang and spread apart, while thin sections of ice fell through bodily into the river.
And amid all this bursting, rending, throbbing of awakening life, under the blazing sun.
Explanation:Descriptive langauge is the one that gives us an effective description of what is happening in the story, in a way that through those descriptive words we are able to have a picture or an idea in mind of what happens.
