"Earth" is a thing, and "things" are nouns.
"Earth", then, is a noun.
The word earth is a noun. The planet Earth is a proper noun.
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
The word earth is a noun. The planet Earth is a proper noun.
"Stratosphere" is a noun because it is a thing on Earth.
"to water the earth" is a verbal phrase- more precisely an infinitive phrase. It could be expressed as "to irrigate"
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
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.