When is a vessel operator required to use navigation lights?

During periods of restricted visibility.

Explanation:

Navigation lights are particularly needed when boaters meet at night. These lights have to be used from sunset to sunrise, as well as through times of restricted visibility, like in the case of fog, mist, snow, or heavy rain. The different types of navigation lights are Sidelights, Sternlight, Masthead Light, and All-Round White Light.

beowulf is considered an epic poem because it describes the actions of a great warrior.

beowulf is taken into account an epos. in this poem, the main character may be a hero who travels nice distances to prove his strength at not possible odds against supernatural demons and beasts. in the poem, beowulf was a young warrior and he leaves his country to hrothgar, as hrothgar was in a great trouble.

b. would be the answer if not try c

hope this correct me if my answer is wrong if i am correct can you plz give me brainliest

: ) : 0 : o : d

explanation: