What percentage of the nation's demand for electricity could be produced in the future by wind energy?
40 to 50 percent
70 to 75 percent
5 to 10 percent
25 to 30 percent

small nation can produce most of their need from wind turbines but not large ones. they will have to rely on other method, considering how much it may be as high as 40 to 50 for medium

75 for small

and 5 to 10 for larger countries

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.