What Causes the Phenomenon of the Aurora

question 220

Multiple Choice

What causes the phenomenon of the aurora?

• A) Solar ultraviolet light excites ozone molecules in the ozone layer.
• B) Charged particles from the magnetosphere strike atoms in the upper atmosphere, causing them to emit characteristic colors of light.
• C) Light from solar flares reflects from high-altitude clouds in Earth's atmosphere.
• D) Charged particles emit light as they spiral along magnetic field lines in the magnetosphere.

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