A dozen inexperienced backpackers are preparing to settle in for the night when they realize that someone in the group is missing. The style of leadership would be most effective in this situation.

authorization.

Explanation:

Leadership refers to the ability or skill to lead others. It's also about setting a path and inspiring others to achieve goals. The authoritative leader recruits the resources of individuals to accomplish institutional goals. They set the path for the goals to be achieved and develop trust among individuals in deciding the path individually. The performance expectations are straightforward and it allows people the freedom to innovate and take calculated risks.

answer; the population in brazil is very diverse there are many races and ethnic groups

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.