Which statement about the number of 25- to 45-year-olds living alone is correct? It has remained relatively constant since the 1990s.
It has increased slightly since the 1990s.
It has doubled over the past twenty years.
It has quadrupled over the last twenty years.

What is the difference between a license and a certificate in the healthcare system? a. a certificate grants the freedom to practice, while a license only confirms professional qualifications. b. a license grants the freedom to practice, while a certificate only confirms professional qualifications. c. medical doctors receive licenses, and nurses receive certificates. d. medical doctors receive certificates, and nurses receive licenses. i'll give you 30