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Explanation:
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Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic .
Symbol: Mg
Atomic mass: 24.305 u
Electron configuration: [Ne] 3s2
Atomic number: 12
Melting point: 650 °C
Oxidation number: 2
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Explanation:
The river bank can expand due to the water breaking apart and move for sediment.
Because elemental mercury is a liquid at a room temperature
This would be C. A car rusting
