Consult the Figure Below

question 31

Multiple Choice

Consult the figure below.A mineral within a metamorphic rock that can be used to provide a narrow constraint on the temperature and pressure of formation of the rock is termed a(n) ____________.

• A) thermineral
• B) index mineral
• C) mafic mineral
• D) halide mineral

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Definitions:

Dimethylbutane

An organic compound with the formula C6H14, a type of alkane that is used as a fuel.

Dimethylpentane

An isomer of hexane, used as a reference fuel in octane rating and found in various petroleum distillates.

Ethylbutane

A chemical compound that is a structural isomer of octane, with the formula C6H14.

Tetramethylbutane

An organic compound with a formula of C8H18, known as a highly branched alkane used in chemical research and applications.