Which of the Following Is a Reason That We Suspect

question 24

Multiple Choice

Which of the following is a reason that we suspect that the extinction of the dinosaurs was caused by an explosive impact by a large object?

• A) Many dinosaur fossils are found below the K-Pg boundary, but none above it.
• B) The impact created the Moon.
• C) The radioactivity of Earth's crust increases significantly above the K-Pg boundary.
• D) There are several medium-sized meteor craters created by secondary impacts.
• E) The remaining meteorite has been identified on the bottom of the Gulf of Mexico.

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Definitions:

Gatekeeper

An individual or entity that controls access to something, often information or resources.

Derived Demand

A demand for a commodity, service, etc., that is a consequence of the demand for something else.

Elasticity of Demand

Refers to the degree to which the quantity demanded of a good or service varies with its price.

Demand Curve

A graph illustrating the relationship between the price of a good and the quantity demanded by consumers at those prices, typically downward sloping.