Which Event Is Nearest in Time to the End of the Period

question 36

Multiple Choice

Which event is nearest in time to the end of the period known as snowball Earth?

• A) oxygenation of Earth's seas and atmosphere
• B) evolution of mitochondria
• C) Cambrian explosion
• D) evolution of true multicellularity
• E) Permian extinction

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Definitions:

T-test

A statistical test used to compare the means of two groups or samples to see if there is a significant difference between them.

Independent Means

This refers to the average values of two samples that are not related or dependent on each other, used in statistical comparison.

Participants

Individuals or entities that take part in a study or research project.

T-test

A statistical procedure used to determine if there is a significant difference between the means of two groups under consideration, often used in small sample sizes.