What is the idea that filters protect against the health effects from nicotine use is widely viewed as?

What should you not do when doing abdominal workouts? a. keep your chin off your chest b. keep your head aligned with the spine c. put pressure on your neck d. all of the above

How do people benefit from a healthy nutritional diet?

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?