The principal management function in which Mr Valery is engaging with the ship crew is Leading.
Basically, the 4 management principal function includes planning, organizing, leading and controlling.
Leading is the management function which involves motivating employees and influencing their behavior to achieve organizational objectives.
This Leading function is a vital function because its helps to direct an organization's resources for improved efficiency and the achievement of goals.
Therefore, the function that Valery is performing is known as Leading.
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<em>brainly.com/question/24852407</em>
You have to be 21 and usually if under 25 you must pay an extra fee of $10 however some companies do not rent cars out to those under 25 at all.
<span>Choices are
A. permanent migration B. periodic movement C. transhumance D. commuting
And it was B.</span>