Venus and Earth Probably Formed with Similar Amounts of Carbon

question 51

Multiple Choice

Venus and Earth probably formed with similar amounts of carbon dioxide in their secondary atmospheres. Which of the following is TRUE?

• A) The majority of Earth's carbon dioxide escaped into space because of its hotter temperature, while Venus's carbon dioxide remains gravitationally bound to Venus.
• B) The majority of Earth's carbon is now bound up in rock while Venus's remains in its atmosphere.
• C) Earth lost more of its secondary atmosphere because it was bombarded by more planetesimals than Venus.
• D) The majority of Earth's carbon was absorbed by plants during photosynthesis.
• E) Earth and Venus still have equal amounts of carbon dioxide in their atmospheres.

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Definitions:

Income

The financial gain received by an individual or entity, often measured as salary, wages, or profits.

Perfect Equality Line

A hypothetical line on a graph representing a situation where everyone has exactly the same income or wealth, demonstrating absolute equality.

Points

In various contexts, points can refer to units of measurement, aspects of discussion, or rewards accumulated from transactions.

Straight Line

The shortest distance between two points, often used to describe a method of linear depreciation in accounting.