Scientists have discovered that the inner core of Earth is a solid while the outer core is a liquid. What is the cause of this observation?
The outer core has a higher temperature and more pressure than the inner core
The outer core has a lower temperature and lower pressure than the inner core
The inner core has a lower temperature and higher pressure than the outer core
The inner core has a higher temperature and lower pressure than the outer core
Answers: 2
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Scientists have discovered that the inner core of Earth is a solid while the outer core is a liquid....
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