Materials in Sedimentary Cycles

question 70

Multiple Choice

Materials in sedimentary cycles

• A) pass through both a solid and a gaseous phase.
• B) are never present as gases in the ecosystem.
• C) are present as liquids in the earth but as gases in the atmosphere.
• D) pass through both a solid and a gaseous phase and are present as liquids in the earth but as gases in the atmosphere.
• E) exist only in solid rocks.

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Definitions:

Silicon Tetrahedron

A structural unit in silicate minerals, consisting of a central silicon atom covalently bonded to four oxygen atoms at the corners of a tetrahedron.

Silicate Minerals

Minerals that contain silicon and oxygen, and possibly other elements, constituting the largest family of minerals.

Silicon Tetrahedron

A fundamental building block in silicate minerals, consisting of a silicon atom surrounded by four oxygen atoms in a tetrahedral arrangement.

Cleavage

A geological term referring to the tendency of minerals to break along specific planes of weakness due to their crystal structure.