If Venus Once Had an Ocean, Where Did It Go

question 32

Multiple Choice

If Venus once had an ocean, where did it go?

• A)It exists as abundant water vapor in the planet's atmosphere.
• B)It was lost to space, stripped away by the solar wind.
• C)The water broke into hydrogen, which escaped to space, and oxygen, which became trappedin the planet's surface rocks.
• D)It exists trapped in the crust but below the surface.
• E)It is found in the cooler polar regions, like at the Moon and Mercury.

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Definitions:

Substitute Products

Goods or services that can be used in place of each other, demonstrating a positive cross-elasticity of demand.

Oligopolistic Firms

Companies that are part of an oligopoly, a market structure with a small number of large firms dominating the industry, often leading to strategic behavior.

High Profits

Increased financial gains resulting from operating activities, typically seen as significantly above the average or expected level.

Market Structure Types

Various classifications of market systems based on the number of firms in the market, the nature of the product, and the degree of competition, including perfect competition, monopoly, oligopoly, and monopolistic competition.