1. Language was used to set the atmosphere as peaceful, a normal camping trip, like every other camping trip. 2. When the narrator said he slept through everything you had to have known something was up, and when he/she said I bolted upright you immediately know that. Something bad is happening. Hope I helped.
Answer:
A state of fear and anxiety about existing or projected difficulties.
Apprehension: the act of seizing or stealing something by legal means; arrest. As a result, the offender escaped after being apprehended.
I think the mood is mystic, excitement, and hope.