Which Mass Extinction Led to the Disappearance of the Dinosaurs

question 21

Multiple Choice

Which mass extinction led to the disappearance of the dinosaurs?

• A)K-T mass extinction
• B)Triassic mass extinction
• C)Permian mass extinction
• D)Devonian mass extinction

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Definitions:

Insider's Viewpoint

An approach or perspective that emphasizes understanding a group, culture, or situation from the point of view of its members.

Reactivity

In research, reactivity refers to the phenomenon where subjects alter their behavior or responses due to the awareness of being observed.

Reactivity

The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and release energy.

Life Change Units

A measure used to assess the stress level of different types of life changes, where each event is assigned a score to indicate the level of stress it might cause.