Why Might Helium Be Present Only in Small Amounts in the Atmosphere

question 46

Multiple Choice

Why might helium be present only in small amounts in the atmosphere?

• A)It is so light that it can escape the atmosphere.
• B)It is not found much in nature.
• C)It is not produced in nuclear transformations.
• D)It is too reactive and is quickly converted into minerals.
• E)none of the above

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Definitions:

Quantity-fixing Agreements

Arrangements among competitors to limit the amount of goods or services produced or supplied, in order to influence market prices or conditions.

Explicitly Colludes

A situation where companies or individuals openly agree to work together, often illegally, to manipulate prices or markets.

Price-and-quantity-fixing

Practices by which firms set the price and output levels to control market conditions, often regarded as anti-competitive.

Collusion

A secret or illegal cooperation or conspiracy, especially between firms, to deceive or gain an unfair advantage.