The Possibility of Life in a Europan Ocean Probably Rests

question 4

Multiple Choice

The possibility of life in a Europan ocean probably rests on the question of

• A) whether there is enough energy in a useful form to support biology
• B) whether there is enough water present
• C) whether there is enough raw materials to build biological molecules
• D) the level of salinity present

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Definitions:

Real Wages

Pay from employment, recalibrated for price level changes to indicate the true value of work income.

Fringe Benefits

Additional compensation given to employees beyond their base wage or salary, such as health insurance, paid vacation, or retirement plans.

Take-Home Pay

Net income after all deductions like taxes, social security, and retirement contributions are subtracted from an individual's gross salary.