Suppose the Present Concentration of CO₂ Doubled in 100 Years

question 4

Multiple Choice

Suppose the present concentration of CO₂ doubled in 100 years, and climate models predicted a 5^oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?

• A)oxygen
• B)nitrogen
• C)methane
• D)water vapour

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Definitions:

Gross Profit

The difference between revenue and the cost of goods sold, representing the basic profitability of items or services before deducting operating expenses.

Cost of Goods Sold

The total cost directly associated with producing goods which have been sold.

Merchandise Sold

The products that a business sells to its customers, generating revenue.

Accounting Equation

A fundamental equation in accounting that states that assets equal liabilities plus owner's equity.