Answer:
letter a po
Explanation:
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Answer:
Each layer has a unique chemical composition, physical state, and can impact life on Earth's surface. ... Movement in the mantle caused by variations in heat from the core, cause the plates to shift, which can cause earthquakes and volcanic eruptions.
Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines are examples of features that can form along plate tectonic boundaries.
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