Approximately How Often Do Lunar Eclipses Occur

question 68

Multiple Choice

Approximately how often do lunar eclipses occur?

• A) Twice every year
• B) Once per month
• C) Twice every 11 months
• D) Once every 11 years

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Definitions:

Electroconvulsive Therapy

A medical treatment most commonly used for severe depression, involving electric currents passed through the brain to induce brief seizures.

Major Depression

A mental disorder characterized by persistent sadness, lack of interest in activities, and may include feelings of worthlessness or guilt.

Brain Seizure

A sudden surge of electrical activity in the brain, leading to temporary abnormalities in muscle tone or movements, behaviors, sensations, or states of consciousness.

Transcranial Magnetic Stimulation

A non-invasive procedure that uses magnetic fields to stimulate nerve cells in the brain, often used in treating depression and other neurological conditions.