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2016-05-13T18:44:31+05:30

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Crust - Upper layer of earth
Mantle - Middle layer of the earth
Core - deep layer of earth where the temperature is maximum
Sial - top layer of crust (Silicate+aluminium)
Sima - deep layer of crust (Silicate+manganese)
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2016-05-14T09:24:22+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The Crust-the uppermost layer of the earth's surface is called crust. it is thinnest of all layer. it is about 35 km on the continental mass and only 5 km on the ocean floor.
The Mantle- the layer below the crust is called mantle. it extends upto a depth of 2900km. below the crust.
The Core of the earth- The innermost layer of the earth is called core. it has a radius of about 3500km. it has very high temperature and pressure.
Sial-( si-silica and al-aluminium) it is the main mineral constituent of the continental mass.
Sima- (si-silica and ma- magnesium) the oceanic crust mainly comprises of sima.
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