A Finely Crystalline or Glassy Igneous Texture Indicates That

question 104

Multiple Choice

A finely crystalline or glassy igneous texture indicates that:

• A) there was a lot of gas in the magma
• B) the rock cooled quickly
• C) the rock broke apart as it flowed
• D) the rock cooled slowly
• E) the ash and pumice were hot and became compacted

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Definitions:

Level of Significance

A threshold in hypothesis testing that determines whether the null hypothesis can be rejected, often denoted by alpha (α).

Significance Level

A threshold within hypothesis testing that determines whether to reject the null hypothesis, often denoted by alpha (α) and representing the probability of a Type I error.

Kilometres

A unit of length in the metric system equal to 1,000 meters, commonly used to measure distances between geographical locations.

Mean Number

The average value of a set of numbers, calculated by dividing the sum of all numbers by the count of those numbers.