Explain How Extensive Black Shales Such as Those Seen in the Middle

question 45

Essay

Explain how extensive black shales such as those seen in the Middle Devonian across the United States might form.

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Definitions:

Standard Normal Distribution

The standard normal distribution is a normal distribution with a mean of 0 and a standard deviation of 1, used in hypothesis testing and probability determination.

Normal Random Variable

A variable that follows a normal distribution, characterized by its bell-shaped curve, where the mean, median, and mode are all equal.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, used in many areas of statistical analysis.

Symmetrically Distributed

A description of a data distribution where, on a graph, the left and right sides of the distribution are approximately mirror images of each other.