How do scientists know the Earth's outer core is liquid?
Question 7 options:
A Drill ho...
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Geography, 19.11.2020 01:00 huangjianhe135
How do scientists know the Earth's outer core is liquid?
Question 7 options:
A Drill holes to the core.
B The outer core isn't liquid.
C Satellites have taken x-rays of Earth
D Earthquake waves.
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