Problem: Answer this question: how is schizophrenia diagnosed??

A: Diagnosis is based on observed behavior and the patient's reported experiences.


Problem: Answer this question: what is a constant in math??

A: A mathematical constant is a special number , usually a real number , that is "significantly interesting in some way".


Problem: Answer this question: who is on the $10. bill?

A: The first U.S. Secretary of the Treasury (1789–95), Alexander Hamilton , is currently featured on the obverse of the bill, while the U.S. Treasury Building is featured on the reverse .


Problem: Answer this question: how much does a gold bar weigh?

A:
The kilobar, which is to say 1000 grams in mass, is the bar that is more manageable and is used extensively for trading and investment.