What Might Be Causing the Universe to Accelerate

question 10

Multiple Choice

What might be causing the universe to accelerate?

• A)brown dwarfs
• B)WIMPs
• C)gravitation
• D)dark energy
• E)white- dwarf supernovae

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Definitions:

Responding

The act of reacting to a stimulus or environment in a way that is observable.

Parietal Cortex

A region of the brain located in the parietal lobe, involved in processing sensory information and spatial orientation.

Desirability

The quality of being wanted or sought after due to appealing attributes or qualities.

Matching Law

A principle that states the proportion of responses directed towards an option matches the proportion of reinforcements obtained from that option.