Answer
Both are mountain ranges formed by the convergence of tectonic plates. The Sierra Nevada is part of the North American Plate, while the Andes are formed by the convergence of the South American Plate with the Nazca Plate.
Both ranges have been shaped by processes related to subduction. The Sierra Nevada was uplifted due to the subduction of the Farallon Plate beneath the North American Plate, while the Andes are formed by the subduction of the Nazca Plate beneath the South American Plate.
Both ranges contain diverse geological features, including volcanic peaks, granitic batholiths, and sedimentary formations.
Both ranges are associated with significant seismic activity and volcanism due to the tectonic forces involved in their formation.
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