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Geography, 07.09.2020 16:01 clairajogriggsk

How did scientist determine that the outer core is a liquid? A. scientist have drills that can travel down to each core layers b. scientist use sonar c. by studying volcanic activity d. certain seismic waves that travel only through solids produce shodow zones in different parts of the globe

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How did scientist determine that the outer core is a liquid? A. scientist have drills that can trave...
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