The Hadean Is a Time in Earth History When ____________

question 44

Multiple Choice

The Hadean is a time in Earth history when ____________.

• A) the first abundant shelly organisms appear in the fossil record
• B) Earth's interior was so hot that a solid outer crust, if present, was likely being extensively remelted
• C) stable continental interiors, termed cratons, first formed
• D) the dinosaurs appeared and came to dominate large-scale terrestrial life

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Definitions:

DfWG

Degrees of Freedom Within Groups, a term used in statistical analysis indicating the number of independent pieces of information within groups that can vary for calculating the variability or variance.

Groups

Collections of individuals or items classified or categorized together based on common characteristics or criteria.

One-way ANOVA

A statistical test used to compare the means of three or more independent groups on a single factor to determine if there is a significant difference among them.

F-ratio

A statistic used in ANOVA tests, calculated by dividing the variance between groups by the variance within groups.