Has the sport undergone any major changes since its original inception? if so what are they?

Examine how a community can affect personal health practice and behaviors

The word means the use of rules to control behavior

*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