1. Scientific investigations of fluid flow behavior around objects like high-speed aircrafts are complex; however, the systems are _______ when experiments are performed in scaled-down versions such as wind tunnels.   Hint Hint       2. Although there was hardly any scope to find fault with the minister's cautiously worded response, several members of the opposition took _______ it.   Hint       3. Even though the region was prone to hurricanes, the _______ of the tornado last year was _______.   Hint       4. Legislation has been introduced in some states that requires plastic bags be made of biodegradable material which gradually _______ over a period of time when exposed to sunlight.   Hint       5. Nature has an apparently _______ source of plants that can be fruitfully exploited for the herbal cure of many diseases.   Hint       6. She was _______ liar who had mastered the art of making untrue statements in a manner they sounded _______.   Hint       7. The _______ allowance he received as a pension forced him to spend the rest of his life in _______.   Hint