Question

Which details from Part 1 of “To Build a Fire” provide information about the physical environment of the setting? Check all that apply.

As he turned to go, he spat speculatively.
He knew that at fifty below spittle crackled on the snow, but this spittle had crackled in the air.
As for lunch, he pressed his hand against the protruding bundle under his jacket.
He plunged in among the big spruce trees.
A foot of snow had fallen since the last sled had passed over, and he was glad he was without a sled . . .

Answer 1

The correct answer for this question is this one:- He knew that at fifty below spittle crackled on the snow, but this spittle had crackled in the air. 
- A foot of snow had fallen since the last sled had passed over, and he was glad he was without a sled . . .Hope this helps answer your question and have a nice day ahead.

Answer 2

He plunged in among the big spruce trees.

A foot of snow had fallen since the last sled had passed over, and he was glad he was without a sled . . .

here you go