Why Is Biosynthesis Unlikely to Occur Today as It Did

question 37

Multiple Choice

Why is biosynthesis unlikely to occur today as it did in Earth's youth?

• A) Living organisms have altered oceanic and atmospheric conditions
• B) There is less available oxygen in the atmosphere
• C) Ozone is less protective from the sun's influence
• D) The ocean's do not contain enough free iron

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Definitions:

Operating Income (EBIT)

Earnings Before Interest and Taxes, a measure of a company's profitability from its operations.

Dollar Sales

The total revenue generated from the sale of goods or services, measured in dollars.

Financial Leverage

The use of borrowed funds (debt) to amplify returns from an investment, which can increase the potential for profit as well as loss.

Variable Cost Ratio

The proportion of variable costs to total sales, indicating how variable costs change with sales levels.