"If the sensor in one's car detects that a deceleration is too abrupt, it will deploy the air bag."
"Abruptly" is an adverb describing an action. Example: "I abruptly slammed on my brakes."
Tiffany abruptly ran to her locker because she forget her spelling book.
Many "-ly" words are adverbs. Abruptly is a modifying word that tells how something happens, so it's an adverb as well.
The car suddenly stopped.
noun
noun
a heckler
The part of speech for "answer" is a noun.
Abruptly.
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 for "unfamiliar" is an adjective.
The part of speech for "explicit" is an adjective.
The part of speech for "buried" is a verb.
The part of speech for "breezy" is an adjective.