EXPLANATION
Deleterious: harmful
A) Volatile: of a liquid changing rapidly into gas; of a person changing quickly
from one mood to another
B) Enigmatic: resembling an enigma; perplexing; mysterious
C) Fulsome: especially of a speech or writing, having or showing a quality e. g.
length, detail or praise, to a great or excessive degree
D) Esoteric: understood only by a select few
E) Salutary: having a good effect
THE CORRECT ANSWER IS (E)