When Limestone Becomes Chemically Altered So That Half of the Calcium

question 26

Multiple Choice

When limestone becomes chemically altered so that half of the calcium atoms are replaced by magnesium,the resultant rock is termed

• A) agate.
• B) dolostone.
• C) jasper.
• D) travertine.

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Definitions:

Parabola

A U-shaped curve, represented mathematically as the graph of a quadratic function.

Vertex

In the context of geometry and graph theory, a vertex is a point where two or more curves, edges, or lines meet. In the context of quadratic functions, it is the highest or lowest point of the parabola.

Intercepts

Points where a graph crosses the axes of a coordinate system, typically identified as x-intercepts (where the graph crosses the x-axis) and y-intercepts (where it crosses the y-axis).

Parabola

A symmetric curve formed by all the points at an equal distance from a point called the focus and a line called the directrix.