In 1971, 73 percent of members of Congress were veterans, but veterans made up fewer than 15 percent of the American population. Ten years later, 62 percent of Congress had served in the military, while just 12 percent of the population were veterans.
Perhaps it is the time old saying, Eat your crust!. The earth's crust is a little different then the crust on a piece of bread. It is not soft and chewy, but it hard and composed of different minerals. The thin, outermost layer of the earth is called the crust. It makes up only one percent of the earth's mass. The continental crust is thicker than the oceanic crust. It can range from 25 km thick at the edges to 70 km thick near the center.
the outermost layer of the earth that is solid rock and is the thinnest layer. what is the Earths outer core. the layer of Earth made up of liquid iron and nickel. what is the earths inner core. the layer of the earth that is in the center and is a sphere of solid iron.