Which Geologic Event Is NOT Suspected as a Source of Major

question 16

Multiple Choice

Which geologic event is NOT suspected as a source of major climate change and mass-extinction events?

• A) the massive eruption of flood basalts
• B) the eruption of supervolcanoes
• C) the impact of asteroids
• D) very large earthquakes

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Definitions:

Marginal Tax Rate

The tax rate paid on an additional dollar of income.

Taxable Personal Income

The portion of an individual's earnings that is subject to taxation, after accounting for deductions and exemptions.

Proprietary Income

Income generated from owning a business or holding exclusive rights to a product or service.

Government-Run Businesses

Enterprises or organizations that are owned and operated by the government rather than by private individuals or other businesses.