__________________ Is Removing Dirt and Rock That Overlays a Mineral

question 12

Multiple Choice

__________________ is removing dirt and rock that overlays a mineral deposit close to the surface in order to access that deposit.

• A)Subsurface mining
• B)Surface mining
• C)Fracking
• D)Deep mining
• E)Hydraulic mining

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Definitions:

Dependent Variable

A variable in statistical modeling or experimental design that is expected to change as a result of manipulations to the independent variable.

Slope

In mathematics, the slope describes the steepness, incline, or grade of a line, defined as the ratio of the vertical change to the horizontal change between two points on the line.

Intercept

The point on a graph where a line or curve crosses an axis, often used to determine where a function or equation equals zero.

Least-Squares Regression

A statistical method to determine a line of best fit by minimizing the sum of squares of the distances of data points from the proposed line.