Mass Extinctions V: 02_072014_QC_43242

question 5

Multiple Choice

Mass extinctions v: 02_072014_QC_43242

• A) have occurred at least 5 times in the Earth's history.
• B) may have been due to climatic changes after meteorite collisions.
• C) may have been due to changing environments caused by continental drift.
• D) All of the choices are correct.

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Definitions:

Straight-Line Depreciation

A way to distribute the expense of a tangible property over its lifespan in equal amounts each year.

CCA Class

Specific categories under the Canadian Capital Cost Allowance that determines the depreciation rate for tax purposes on an asset.

Depreciation Tax Shield

The reduction in income tax obligation resulting from the deduction of depreciation expenses.

Tax Rate

The percentage at which an individual or corporation is taxed on their income or profits.