An Element Is a Shiny Gray Solid That Can Be

question 29

True/False

An element is a shiny gray solid that can be pressed into a thin sheet. This element is probably a metalloid.

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Definitions:

Decompression Melting

A process where melting occurs due to a decrease in pressure as rock rises closer to the Earth's surface without a significant increase in temperature.

Subduction

The process by which one tectonic plate moves under another plate and is forced into the mantle.

Decompression Melting

The process by which melting occurs in the mantle due to a decrease in pressure as rocks ascend towards the surface.

Mantle-Derived Magmas

Magma that originates from the Earth's mantle, typically characterized by its composition which can influence the type of volcanic eruption.