It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
Science textbooks
Biographies
And newspaper articles
The associated or secondary meaning of a word or expression in addition to its explicit or primary meaning: A possible connotation of “home” is “a place of warmth, comfort, and affection.”.
Answer:
D. The sights and sounds of early spring.
Explanation:
Just read and see the details. It is simple. And where it says, "All things were THAWING, bending, snapping." Thawing is the key word in there because when it is thawing, it is talking about winter ending and spring starting.