Which of the Following Is the Primary Source of Helium

question 27

Multiple Choice

Which of the following is the primary source of helium and argon in the atmosphere?

• A) Solar wind
• B) Mining operations
• C) Burning of fossil fuels
• D) Radioactive decay
• E) Volcanic eruptions

---

Definitions:

Perpetual inventory system

An accounting method that records the sale or purchase of inventory immediately through computerized point-of-sale systems and enterprise asset management software.

FIFO inventory cost method

An inventory valuation method where costs of the earliest goods purchased are the first to be recognized in determining cost of goods sold.

Inventory costing method

A system or technique used by companies to assign costs to inventory and goods sold; common methods include FIFO, LIFO, and average cost.

Ending inventory

The total value of goods available for sale at the end of an accounting period after all sales transactions have been accounted for.