What Fraction of the Mass of Earth Is Made Up

question 13

Multiple Choice

What fraction of the mass of Earth is made up of the elements hydrogen and helium?

• A) about 70%
• B) 2%
• C) much less than 1%
• D) 98%

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Definitions:

Profit Margin

A metric in finance that reveals the percent of sales revenue that remains after deducting the cost of goods sold, illustrating the profit-making ability of a business.

Transfer Price

The price at which goods and services are sold between departments or divisions within the same company or between affiliated companies.

Variable Cost

Costs that vary in direct proportion to changes in levels of output or activity, such as raw materials and direct labor.

Total Income

The sum of all revenues and gains a company earns during a period, before any deductions are made.