Directions: Carefully read the paragraph from "Water on the Earth" and identify the general sentence and specific sentences


Weathering and erosion are very slow processes Geologists believe that Colorado River has been flowing through the Grand Canyon for at least 17 million years, and it has been gradually shaping the canyon this entire time. The flowing water of the river and its tributaries has carved away at the rock of the Colorado Plateau, creating the sight we are familiar with today

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