Hemophiliacs have trouble clotting their blood after injury. they have malfunctioning

Which of these is likely to be the best source of valid health information?

Which of these is a controllable risk fator for disease

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3