1. The imposition of heavy taxes on industries that emit toxic substances into the environment could prove to be an effective _______ to maintaining a clean, green earth.   deterrent   incentive   abeyance   apparition   appellation   Hint Hint       2. Having definite information about drugs being smuggled in, the customs officials decided to switch from a _______ examination of the passenger baggage to a rigorous inspection.   inchoate   meticulous   specious   cursory   mellifluous   Hint       3. The biologist described how vultures _______ portions of carcasses and play a crucial role in maintaining the ecological balance as _______.   seize..predators   gobble..xenophobes   devour..scavengers   depend on..parasites   hunt..carnivores   Hint       4. Although David was severely critical of his wife, he did not dare treat her with _______.   mendacity   sarcasm   superciliousness   contempt   insularity   Hint       5. Scientific experiments demonstrate that the ready availability of food and the lack of stimulation over a prolonged period of time can lead to even predators transforming into _______ creatures.   caustic   placid   frantic   carnivorous   agrarian   Hint       6. After the sudden death of their leader, the terrorists thought it best to be _______ for a period before resuming their attacks on their adversaries.   bellicose   audacious   belligerent   prodigious   quiescent   Hint       7. Compared to real estate, nearly all else appears relatively inexpensive, _______ nearly nothing appears not affordable.   so   nevertheless   although   since   provided   Hint