Which Gas Comprises Most of the Atmosphere

question 45

Multiple Choice

Which gas comprises most of the atmosphere?

• A) Oxygen
• B) Carbon dioxide
• C) Methane
• D) Nitrogen
• E) Argon

---

Definitions:

Net Sales

Total revenue from sales of goods or services, less returns, allowances for damaged goods, and discounts.

Operating Expense

Expenses incurred during normal business operations, such as rent, utilities, and payroll, excluding costs associated with the production of goods sold.

Administrative Expenses

Expenses related to the general operation of a business, such as salaries of non-sales personnel, office supplies, and rent.

Research and Development Expense

Costs associated with the research and development of a company's products or services, recognized as an expense.