Do you have any ideas for my next year Health Science class (Any Ideas are Welcome)

If you know answer will mark brainliest

Which of these activities would better would maintain and improve muscle endurance

Isabel wants to sign up with the online social network teenbook, which she heard about from her friends at school.the teenbook site asked isabel for some personal information to complete her registration.in addition to her full name, teenbook asked for the name of her school, the city where she lives, her age, and her favorite foods.what is the only information that isabel should give to best ensure her safety?