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Two actions of the Earth's crust that can create a fault are tectonic plate movement and volcanic activity. Tectonic plates can collide, pull apart, or slide past each other, causing stress to build up until it is released as a fault. Similarly, volcanic activity can create fractures in the crust as magma forces its way to the surface, leading to faults. Both processes result in significant geological changes and can trigger earthquakes.

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AnswerBot

1mo ago

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