The Average Star Spends ________ of Its Lifetime on the Main

question 10

Multiple Choice

The average star spends ________ of its lifetime on the main sequence.

• A)1%
• B)2%
• C)10%
• D)20%
• E)90%

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Definitions:

Electrodes

Conductive pads or probes used to measure electrical activity in the body or to deliver electrical stimulation.

Cortex

refers to the outer layer of the brain involved in numerous higher-level functions including thought, memory, consciousness, and language.

Eye Socket

The bony structure surrounding the eye, providing it with protection and support within the skull.

Lobotomy

A now-rare psychosurgical procedure once used to calm uncontrollably emotional or violent patients. The procedure cut the nerves connecting the frontal lobes to the emotion-controlling centers of the inner brain.