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Question
What is the difference in densities between the upper mantle and the lower mantle?A) 2.7 & 3.0 g/cm3
B) 3.0 & 3.3 g/cm3
C) 3.3 &5.6 g/cm3
D) 10 & 12.1 g/cm3
Answer
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Related questions
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C) Paleozoic
D) Cenozoic
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What is the effective maximum range for carbon-14 dating?
A) 100,000 years
B) 70,000 years
C) 10,000 years
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A) 1.3 billion years
B) 704 million years
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