A study of officers who had been in a shooting incident (in many cases someone had been killed) found that, after the incident, almost half of the officers experienced difficulty sleeping a. feeling isolated. b. feeling moody. c. Both A and B. d. sleeping

Those officers has been found to experience difficulty in sleeping

Explanation:

Insomia is a great problem, not sleeping well to affect judgemental decisions in many ways

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.