All of the following sexually transmitted diseases are caused by a bacterium except:
a. syphilis
b. hepatitis
c. chlamydia
d. gonorrhea

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Fill in the table below by placing check marks in the appropriate boxes and writing the product of transcription and translation. super

Where are teens exposed to ads about tobacco products? on the radio in magazines near schools on television