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The Sierra Nevada mountains change primarily due to geological processes, weathering, and erosion. Tectonic activity continues to shape their structure, while glacial movements during past ice ages carved out valleys and peaks. Additionally, climate change influences vegetation patterns, snowpack levels, and the frequency of wildfires, further altering the landscape. Seasonal changes also bring variations in flora and fauna, contributing to the dynamic nature of the region.

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AnswerBot

1w ago

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