Question

which action is likely to reduce teenagers risk of contracting a sexually transmitted infection (sti)? ignoring common misconceptions about stis challenging facts about contracting stis educating them about the effects of risky behavior promoting the positive aspects of sexual activity

Explanation:

Educating teenagers about the effects of risky behavior can increase their awareness and lead to more informed - decisions, reducing the likelihood of engaging in behaviors that put them at risk of STIs. Ignoring misconceptions and challenging facts are not helpful in risk - reduction. Promoting positive aspects of sexual activity without also addressing risks is not beneficial for STI prevention.

Answer:

educating them about the effects of risky behavior