NASA Has Published a List of Criteria for Identifying Fossil

question 50

Multiple Choice

NASA has published a list of criteria for identifying fossil bacteria in samples from Mars, as part of a search for evidence of life.Which of the following is good evidence for the presence of bacterial cells?

• A)Three-dimensional organization of cells in a starburst pattern
• B)No evidence of water in the surrounding mineral
• C)Cell size of 0.5 to 2 microns
• D)Absence of carbon in the material

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Equity

The value of an asset after deducting all liabilities, often used in the context of ownership in a company.

Return on Equity

A measure of a corporation's profitability relative to stockholders' equity.

Net Income

Net Income is the total earnings of a company after all expenses and taxes have been deducted from revenue.

Shareholders' Equity

The residual interest in the assets of a corporation after deducting liabilities, often referred to as net assets or equity.