Social Sciences, asked by arsalaanzeba786, 9 months ago

the chemical composition average thickness and density of the inner silicate layer​

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Answered by pawan7430
1

Answer:

On an average, the thickness of sial is till 25 km from the surface. The continents are composed mainly of lighter Rock material formed from silicon and Aluminium, so the sial Is thick over the continents and very thin or absent on the ocean floor especially the Pacific Ocean. Average density of sial is 2.7 gm/cc.

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