In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following ?
Options
(a)Aluminium
(b)Chromium
(c)Iron
(d)Silicon
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Class 7Inside Our Earth— NCERT Geography, Chapter 2. The earth is built in concentric layers, like an onion. The crust on top is the thinnest — about 35 km under the continents (sial: silica and alumina) and about 5 km…
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