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Scientists have been able to determine the composition of earths layers by:
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Scientists have been able to determine the composition of earths layers by:

User Das
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Answer:

Making inferences based on data from Seismic waves

Step-by-step explanation:

Earth Science Sem 2 Unit 1 Apex

User Stegnerd
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Scientists have been able to determine the composition of earths layers by comparing the composition of the crust to the composition of meteorites and comets.

User Jabir
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