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:

Markup Percentage

The fraction applied on top of the buying price of products to include expenses for overhead and yield a profit.

Markup Percentage

The percentage by which the cost of a product is increased to determine its selling price.

Variable Cost

Costs that vary directly with the level of production or sales volume, such as materials and labor.

Selling and Administrative Costs

Expenses related directly to the marketing and management of a company, excluding costs associated with the production or purchase of goods.