In Questions Determine Whether the Statement Is True or False

question 93

True/False

In questions determine whether the statement is true or false.
- $$\text { If } \mathbf { A } = \left( \begin{array} { l l } 3 & 5 \\1 & 2\end{array} \right) , \text { then } \mathbf { A } ^ { - 1 } = \left( \begin{array} { c c } 2 & 5 \\1 & - 3\end{array} \right)$$

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Definitions:

Horst and Graben

Geological structures where a horst is a raised block of the earth's crust bordered by faults, and a graben is a lowered block of the earth's crust bordered by parallel faults.

Forearc Basin

A sedimentary basin that lies between the volcanic arc and the trench in a convergent plate boundary.

Sedimentary Unit

A layer of sedimentary rock with distinguishable characteristics that set it apart as a visually identifiable segment of a stratigraphic sequence.

Pluton

A body of intrusive igneous rock that solidified below the surface of the earth.