Which of these is a controllable risk factor for disease

Gregory was caught smoking marijuana on his school’s campus during lunch. this is not the first time gregory has violated the school’s drug-free policy. his principal has decided to expel him, and he may face fines and time in a juvenile detention facility. gregory faced consequences when he was sent to juvenile detention after repeatedly violating the school’s drug-free policy.

Explain the sliding filament method

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?