According to this selection, what makes tornadoes
difficult to predict?

answer; hypnagogic sensations)

feral cats are estimated to eat tens of millions of native animals each night in australia

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.