Which of the Following Molecules Is Thought to Have Been

question 57

Multiple Choice

Which of the following molecules is thought to have been absent from the primitive reducing atmosphere of early Earth?

• A) water vapor (H₂O)
• B) methane (CH₄)
• C) hydrogen (H₂)
• D) oxygen (O₂)
• E) nitrogen (N₂)

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Definitions:

Expected Utility

A theory in economics that calculates the utility of an entity based on the probabilistic outcomes of its choices.

Probability

A numerical expression between 0 and 1 that quantifies the probability of an event happening.

Expected Total Utility

The anticipated satisfaction or benefit a consumer will derive from the consumption of goods or services.

Probability

A measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1.