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Extraction of Minerals

Which of thes...

Question

Which of these statements are correct regarding the interior of earth?

1. Continental crust- SIAL
2. Oceanic crust- SIMA
3. NIFE in lower mantle"

A

1 and 3

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B

1, 2 and 3

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C

2 only

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D

1 and 2

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Solution

The correct option is B 1, 2 and 3
"SIAL-Silicon and Aluminium
SIMA-Silicon and Magnesium
NIFE-Nickle and Iron"

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