1. The probability that an equipment will _______ flawlessly is decreased if a critical function is performed by a single component; therefore, engineers build a certain amount of _______ in their designs to guarantee against failures.   integrate..feasibility   synthesize..optimality   operate..redundancy   saturate..abnormality   deteriorate..viability   Hint Dica       2. At the farewell function, the dignitary's address to the young graduates was _______, offering no new words of wisdom but common knowledge.   ambivalent   labyrinthine   platitudinous   pragmatic   opprobrious   Dica       3. The biologist described how vultures _______ portions of carcasses and play a crucial role in maintaining the ecological balance as _______.   devour..scavengers   depend on..parasites   gobble..xenophobes   seize..predators   hunt..carnivores   Dica