Ocean is a noun
In this sentence, "rock" is a noun.
The word "terrestrial" can function as an adjective.
Geology is a noun.
The flat part of the ocean floor is called the abyssal plain. It is a smooth, flat region that lies between the continental rise and the mid-ocean ridges.
The deepest spot in the ocean is the Mariana Trench, located in the western Pacific Ocean. The Challenger Deep within the trench is the deepest part, reaching a depth of about 36,000 feet (10,972 meters).
Caribbean is a proper noun that refers to the region in the western Atlantic Ocean.
"Drive" in this sentence is a noun, as it is referring to the activity of traveling to the ocean in a vehicle.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
It can be a verb or a noun. As a verb you would "Cruise down to the corner." As a noun you would 'Take an ocean cruise."
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.