Mass Extinctions Occurred at the End of Each of the Following

question 13

Multiple Choice

Mass extinctions occurred at the end of each of the following periods except the

• A) Devonian.
• B) Cretaceous.
• C) Silurian.
• D) Permian.
• E) Triassic.

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Definitions:

Conjunction

A logical operator that connects two statements or propositions, where the truth of both is required for the entire statement to be true.

Consistent

Describes a system or behavior that does not contain contradictions and adheres to the same principles, standards, or patterns over time.

Contingency

A statement or proposition that is neither necessarily true nor necessarily false, depending on some variables or conditions.

Biconditional Statement

A statement that is true only if both components are simultaneously true or false.