What causes the northern lights seen in Iceland's winter sky?
Answer and explanation
Correct answer: C. Charged particles from the sun hit gases in the upper atmosphere and make them glow
- Step 1: The effect is seen near the poles. Step 2. Particles collide with atmospheric gases. Answer: Charged particles from the sun hit gases in the upper atmosphere and make them glow. Why not the others: The other causes are not correct.
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