[Solved] Which of the following is the most common second language for children around the world? A)English B)Spanish C)Chinese D)Russian Sexual Behavior: Activities related to physical intimacy or reproduction, which can vary widely among individuals and cultures. Online Pornography: Pornographic content available over the internet, accessible through various digital devices. STIs: Sexually Transmitted Infections, infections transmitted through sexual contact, caused by bacteria, viruses, or parasites. Practicing Safer Sex: Involves engaging in sexual activities that reduce the risk of transmitting or acquiring sexually transmitted infections (STIs) and unwanted pregnancies.