Which of the Following Statements Best Describes the Idea Behind

question 44

Multiple Choice

Which of the following statements best describes the idea behind the Carbon Assimilation Experiment on board the Viking landers?

• A) living organisms in the soil should incorporate carbon from atmospheric gases
• B) radioactive gases should be produced when radioactive nutrients are added to a soil sample
• C) soil with living organisms in it should contain organic molecules
• D) living organisms in the soil should give off gases when they metabolize nutrients

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Definitions:

Spurious Correlation

A statistical relationship between two variables that appears to be causally related but is actually due to a third variable or chance.

Causal

Relating to the cause and effect relationship between two or more variables or events.

Correlational

Relating to or denoting a statistical relationship between two variables, indicating how likely they are to change together.

Sample

A subset of the larger research population.