Earth’s crust
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How Does Earth’s Continental Crust Form? A New Bottom-Up Theory
Scientists have long believed that continental crust forms in volcanic arcs. The lingering question has been how exactly that happens.
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The Breathing Ocean
Far south and farther south, where winds are cold and screaming, Waters churn, and deep below, old sediments lie dreaming. A million years’ residuum of life and death and dust, A library of ice ages reposed upon Earth’s crust.
The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
