Combined Qualifications

1. Attractive people seems to have more favorable personal attributes than unattractive people.
2. Economic sanctions may be ineffective.
3. Alcohol appears to have caused people to become violent.
4. It is possible that passive smoking causes cancer.
5. There is a slight possibility that recycling is the best solution to the waste disposal problem.
6. Physical exercise may reduce depression.
7. It seems that deep tunnels are safer and less bulnerable to earthquake shaking thatn are shallow tunnels.
8. Private schllos might provide a better eduction than do public schools.