Which of the following activities is suggested for a cardio workout? playing softball for 2 hours running 1 mile in 8 minutes diving for 1 hour swimming for 40 minutes

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

If an online school program (i.e k12, ecot) assigns me a computer, would it be ok to use social media on it? would i get in trouble? i am not really sure from reading their terms and such.

What percent of body heat can be lost through the head