Podcast Beta
Questions and Answers
The boundary between the crust and mantle is discovered in 1909 by Andrija Mohorovicic at a depth of ___km beneath Ocean Basins.
8
The Upper Mantle, known as the Asthenosphere, is made up of rocks rich in Fe & Mg but poor in silica and is ___km thick.
400
The Core of the earth is made up of mostly ___ & Nickel.
Fe
The Outer Core is ___km thick and made up of molten nickel and iron.
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The ___ is the layer that’s beneath the crust and has a thickness of 2900km.
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The ___ - Layer that’s beneath the crust - Has a thickness of 2900km.
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The hotter part of the earth's mantle is closer to the ______
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More than half of the world's volcanoes are found in the ______
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The ______ plate is mostly continental and covers the Arabian Peninsula
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The ______ plate is oceanic and is beneath the Pacific Ocean off the Pacific Northwest of the U.S.
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Alfred Wegener was a German ______ and geophysicist
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The ______ belt is formed by the collision of African and Indo-Australian plates with the southern margin of the Eurasian Plate
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