Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans 8900 kilometers along South America's western periphery, is up to 700 ...
CHAMPAIGN, Ill. — The Andes Mountains are much taller than plate tectonic theories predict they should be, a fact that has puzzled geologists for decades. Mountain-building models tend to focus on the ...
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