Question

$\displaystyle\huge\red{\underline{\underline{What}}}$
$\displaystyle\huge\orange{\underline{\underline{is}}}$
$\displaystyle\huge\purple{\underline{\underline{sima}}}$
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Answer 1

Answer:

the material of the lower part of the earth's crust, underlying both the ocean and the continents, characterized as relatively heavy and rich in silica and magnesia.

Explanation:

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