The Main Effect of the Biosphere on the Chemistry of the Earth's

question 30

Multiple Choice

The main effect of the biosphere on the chemistry of the Earth's crust has been to

• A)create a reducing atmosphere.
• B)create an oxidizing atmosphere.
• C)increase the relative humidity.
• D)decrease the relative humidity.
• E)increase the level of atmospheric carbon dioxide.

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Definitions:

Personal Judgment

The process of forming opinions or conclusions based on one's own perception, experience, or information.

Heuristics

Mental shortcuts or rules of thumb that the brain uses to simplify decision making, which can be efficient but may lead to cognitive biases.

Representativeness

A heuristic in which individuals categorize a situation based on the extent to which it resembles, or is representative of, a stereotypical case.

Availability

The ease with which a particular idea or concept can be brought to mind by an individual.