Gemstones Are Often Found in Pegmatites,which Are Igneous Rocks That

question 45

Multiple Choice

Gemstones are often found in pegmatites,which are igneous rocks that are

• A) exceptionally mafic.
• B) extrusive,forming from lava.
• C) exceptionally coarse grained.
• D) exceptionally fine grained.

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Definitions:

Zero Correlation

A statistical measure indicating that two variables do not move in tandem and their relationship is completely random.

Stock Portfolio

A collection of stocks owned by an individual or an institution, curated to achieve specified investment goals.

Bond Portfolio

A collection of bonds held by an investor, designed to diversify risk and achieve specific income objectives.

Perfectly Negatively Correlated

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