Answer:
Plates
Explanation:
The Earth's crust is broken up into sections called plates. Tectonic plates are on the mantle which allow them to move.
Covalent network. <span>A solid that is extremely hard, that has a very high melting point, and that will not conduct electricity either as a solid or when molten is held together by a continuous three-dimensional network of covalent bonds. Examples include diamond, quartz (SiO </span><span>2 </span>), and silicon carbide (SiC). The electrons are constrained in pairs to a region on a line between the centers of pairs of atoms.<span>
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The answer is <span>a total of eight valence electrons
hope this help
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Answer:
Germanium and Polonium
Explanation:
Can you please mark me brainliest since I was the first person to answer :p
