Potassium, 4 shells, 1 valence electron
Answer is for the earths core to cool enough for convection to stop, then the plates would have no convection current to move them.
Explanation: If the Earth's core were to cool down, the convection currents in the mantle would stop moving. Since the convection currents drive the plates, they would stop moving.
False
“The color of a mineral's streak is NOT always the same (as the) color of the mineral sample.”
A process in which molecules move across a semipermeable membrane until the number of molecules of water is nearly equal on both sides..
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