The Cause of the Mass Extinction at the End of the Mesozoic

question 3

Multiple Choice

The cause of the mass extinction at the end of the Mesozoic era probably was

• A) continental drift.
• B) the collision of Earth with a large meteorite.
• C) changes in Earth's orbit.
• D) massive glaciation.
• E) changes in the salt concentration of the oceans.

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Definitions:

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a period, indicating efficiency in managing stock.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term and long-term obligations, calculated as current assets divided by current liabilities.

Acid-test Ratio

A financial metric that assesses a company's ability to cover its short-term liabilities with its most liquid assets, excluding inventory.

Current Ratio

This ratio evaluates the ability of a business to cover its obligations due in the next year, by calculating the proportion of its current assets to its current liabilities.