The rocky mountain system stretching from canada to new mexico is a string of mountains running along the western united states. what factors would most likely cause this arrangement of mountains?
a. intense pressure underneath a tectonic plate that could not break through the rock
b. subduction of a tectonic plate, which pushed up a neighboring plate into mountains
c. two plates located at a diverging boundary with a third plate rising between them
d. two plates that melted into molten rock, which later cooled into the shape of mountains

answer; /// pinkberry and red mango are different in that pinkberry tries to convey a sense of (playfulness)while red mango tries to communicate (nutritional benefits and

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)

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