Question

$which \: type \: of \: rock \: was \: the \: first \: to \: exist \: on \: the \: planet$
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Answer 1

Explanation:

Historiography, the writing of history, especially the writing of history based on the critical examination of sources, the selection of particular details from the authentic materials in those sources, and the synthesis of those details into a narrative that stands the test of critical examination.

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Answer 2

Answer:

The oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks were from a body of rock known as the Acasta Gneiss in the Northwest Territories, which are 4.03 billion years old.