The Dense Core of Earth Is Thought to Consist Predominantly

question 3

Multiple Choice

The dense core of Earth is thought to consist predominantly of ________.

• A) nickel
• B) lead
• C) iron
• D) copper

---

Definitions:

Net Sales

This refers to the total revenue from sales minus returns, allowances for damaged or missing goods, and discounts.

Contribution Margin Ratio

The percentage of each sales dollar that is available to cover the fixed costs and provide an operating income.

Variable Costs

Costs that change in proportion to the level of activity or volume of goods produced in a business.