What material makes up earth's outer core?

a. peridotite
b. a liquid iron-nickel alloy
c. a solid iron-nickel alloy
d. basalt

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

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

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