Why is Earth's outer core liquid while its inner core is solid?
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Why is Earth's outer core liquid while its inner core is solid? explain
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Answer:
It is a phase change due to the effects of greater pressure at the outer core/inner core boundary. The core is composed of iron and nickle. The phase change is due to increased pressure forcing liquid into solid, despite the higher temperature in the inner core compared to the outer core.
bluekitt... at Yahoo! Answers Visit the source
Other answers
One word: pressure.
Morningfox
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