Why does Scott plan to leave White Fang behind when he returns to California?

We dont know the answer, We havent read what you are reading

Explanation:

This is a question from a story, we didnt read the story

the answer is a hoped this

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."