Answer:
1. Long-lasting; Chronic means lasting for a long time.
2. No; A stimulus is something that arouses energy. Taking a nap would not do that.
3. No; The subconscious part of the mind is the part that is not fully aware.
4. True; Excruciatingly means extremely awkward or embarrassing.
5. No; Monotony means lack of excitement or interest.
6. Yes; Catastrophic means causing massive damage. A tsunami does that.
Explanation: