Exhibit 12 Change in Incidence of Adverse Health Effects Associated with Reductions in Particulate Matter and Ozone Due to the Clear Skies Act 
Significant Changes that Can be Seen in Health and Nature as an Effect of the Clear Skies Act
Evidence of the Lack of Change in Health and the Ozone in spite of the Clear Skies Act
When playing poker, you can place your stakes in US Dollars.
The profit!
Children have their heads down on their desks.
What kind of name is 'Johnny Appleseed,' anyway?
The net international investment position has nothing to do with the US funds.
GAO representatives are willing to discuss their work with staff members.