National parks reduce the human impact on land by preventing human development.
Evidence that you have accomplished a goal is: measurable
3) goals should be: realistic
Blaming your sister is an example of: projection
Vaccination Laws for State Healthcare Workers, State School and Childcare workers.
Control of Communicable Diseases
Occupational Safety and Health
just to name a few
Approximately 1.2% (3.2 million) of US people have been diagnosed. I hope I have answered your question.