Be aware with who you are with. Knowing peoples intentions. Making sure you are safe and having someone with you.
Answer:
My guess is that students who do online school will do less exercise and get less vitamins from the sun.
Explanation:
Doing online can cause students to stay at home all day sitting down, and can lead to health problems.
The answer should be A, as anorexia nervosa is when someone worries far too much about their weight and begin to eat far less, becoming severely underweight.