The virus that causes also causes itchy, red bumps. choose one answer. the flu chicken pox athlete's foot an urinary tract infection

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

Which of the following is a health risk associated with ground-level ozone? a.cataractsb.skin cancerc.respiratory illnessd.all of the above

In your own words write a brief paragraph about the importance of warning signs.