A “negligible” (line 9) and ‘meaningful’ are synonyms.
B “trite” (line 34) and ‘trivial’ are antonyms.
C “In its wake” (line 46) cannot be replaced by ‘as a result’.
D “be prone to” (line 84) can be replaced by ‘be liable to’
E “airworthiness” (line 85) means ‘worth as little as air’.