500mg of active ingredient is mixed with 30 gm of ointment base. What is the final concentration (w/w)?

Leaders empower their organizations by

A. promoting people based on seniority. B. directing staff to fix only things that are broken. C. asking staff to bring solutions rather than problems. D. establishing acceptable guidelines for staff performance.

Which of the following is not a disease prevention strategy that people living in poverty are lacking?

a. vaccinations b. nutrition c. exercise d. dental care