The Great Spirit heard his prayer. He leaned down from the sky, scooped up a great amount of earth, and made the Cascade Mountains as a wall between Ocean and the dry country. The long and deep hole left where the earth had been, Ocean soon filled with water. Today people call it Puget Sound. The people east of the mountains are still punished for their selfishness and greed. Ocean sends so little moisture over the range that they do not have all the plants that grow along the coast. But they still have the pits their grandfathers dug. They are Lake Chelan and the lakes south and east of it.

–“The Origin of Puget Sound and
the Cascade Range,”
Ella E. Clark

What does this Plateau legend work to explain?

the culture of the Plateau people
the organization of Plateau tribes
the wildlife of present-day Washington
the geography and climate of the region

the culture of the plateau people

Explanation:

the earth’s crust is broken into separate pieces called tectonic plates (fig. 7.14). recall that the crust is the solid, rocky, outer shell of the planet. it is composed of two distinctly different types of material: the less-dense continental crust and the more-dense oceanic crust. both types of crust rest atop solid, upper mantle material. the upper mantle, in turn, floats on a denser layer of lower mantle that is much like thick molten tar.

each tectonic plate is free-floating and can move independently. earthquakes and volcanoes are the direct result of the movement of tectonic plates at fault lines. the term fault is used to describe the boundary between tectonic plates. most of the earthquakes and volcanoes around the pacific ocean basin—a pattern known as the “ring of fire”—are due to the movement of tectonic plates in this region. other observable results of short-term plate movement include the gradual widening of the great rift lakes in eastern africa and the rising of the himalayan mountain range. the motion of plates can be described in four general patterns:

collision: when two continental plates are shoved together

subduction: when one plate plunges beneath another (fig. 7.15)

spreading: when two plates are pushed apart (fig. 7.15)

transform faulting: when two plates slide past each other (fig. 7.15)

the works of justice saves things/people

the works of service things/people

explanation:

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