Earth
Terrestrial geology is the study of the earth, which is a terrestrial body. Terrestrial geology differs from planetary geology, which is the study of other planets.
Sediment is a noun.
Mesosphere is a noun.
Geology is a noun.
Yes: the terrestrial planets (Mercury, Venus, Earth, and Mars) are part of our own solar system.
Earth
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
the part of speech sashay is a averb
Mercury is part of the Terrestrial planets.
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
The word speech is a noun.
Adjective