Consider the following pairs with respect to Mineral Group occurring in different layers of the Eart...........

Geography Earth Geology

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Consider the following pairs with respect to Mineral Group occurring in different layers of the Earth:

Layer of Earth Minerals

1.Crust SiMa (Silica + Magnesium)

2.Mantle SiAl (Silica+ Aluminum)

3.Core NiFe (Nickel + Iron)

Which of the pairs given above is/are correctly matched?

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

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Explanation:

1 and 3 only

The given pairs regarding Mineral Groups occurring in different layers of the Earth are as follows:

Crust - SiMa (Silica + Magnesium)

Mantle - SiAl (Silica + Aluminum)

Core - NiFe (Nickel + Iron)

Among the pairs:

The pair "Crust - SiMa" (Silica + Magnesium) is a generally accurate representation. The Earth's crust consists mainly of silicate minerals, including silica and magnesium-rich minerals.

The pair "Mantle - SiAl" (Silica + Aluminum) is not an accurate representation. The Earth's mantle primarily consists of silicate minerals but is not predominantly aluminum-rich. It contains various minerals and compounds, but aluminum is not a defining characteristic.

The pair "Core - NiFe" (Nickel + Iron) is a correct representation. The Earth's core is composed mainly of nickel and iron, making it NiFe.

Therefore, only the pairs 1 and 3 are correctly matched

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