False
18. Most of the mass of Earth is contained in the cryosphere. *
True
False

answer; the correct answer is conflict- related aggression; +

cuz he's blad

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.