Forest Waterfalls basalts is most intense in two nearly (but not quite) parallel directions, and the river has cut a zigzag path working upstream, first along one direction of weakness, then the other. Presently it appears to be just at the point where it will take another sharp bend. Other examples of waterfalls produced by uplift of plateaus include Angel Falls in Venezuela—the highest in the world at 977 meters (3,212 feet)—and the collection of smaller waterfalls along the "fall line" at the eastern edge of the Appalachian Mountains. Situated on the border of Brazil, Argentina, and Paraguay, Iguazu Falls consists of 275 cascades spread across nearly 3.3 kilometers (2 miles). With an average (nonflood) discharge of 1,700 cubic meters per second (60,000 cubic feet per second), these falls are among the most powerful in the world. Situated on the border of Brazil, Argentina, and Paraguay, Iguazu Falls consists of 275 cascades spread across nearly 3.3 kilometers (2 miles)...
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