The Primary Energy Source Used by Archaea Living in Hydrothermal

question 15

Multiple Choice

The primary energy source used by archaea living in hydrothermal vents is

• A) inorganic carbon.
• B) nitrogen gas.
• C) oxygen gas.
• D) methane gas.
• E) hydrogen gas.

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Definitions:

Return on Investment

A measure of the profitability of an investment, calculated by dividing the gain from the investment by its cost.

Cost Centre Managers

Individuals responsible for managing a department or unit within an organization that does not directly add to profit but incurs costs.

Variance Analysis

The process of investigating the difference between planned financial outcomes and actual financial performance.

Standard Costs

The predetermined costs associated with manufacturing a product, which are used for budgetary and inventory valuation purposes.