Name the direct sources of information about the information the inter

1.	Name the direct sources of information about the information the interior of the earth.
Answer» In broad terms,\xa0direct sources\xa0are those that provide first-hand information about events. ... In scientific disciplines, experiments are the most common\xa0direct source; in other disciplines, surveys and interviews, or research into written and oral records of events provide\xa0direct\xa0access to information. The knowledge about interior of the earth is obtained through direct sources and indirect sources. Direct sources include rock materials from mining areas and molten magma from volcanic eruptions. Besides, scientists are working on “Deep\xa0Ocean\xa0drilling Project” and “Integrated\xa0Ocean\xa0Drilling Project”.

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