The Earth may have undergone a drastic transformation 2.4 billion years ago with a rapid rise of land above the ocean, according to a new study.Researchers from the University of Oregon examined isotopes in shale samples from all over the world and found nearly imperceptible traces of rainwater.This points to the possibility that during Earth’s early years, newly exposed land underwent dramatic weathering that would have triggered changes in the Earth’s geographic makeup, climate, and even life. The study …
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