Quiz: What unique phenomenon occurs at Old Faithful Geyser in Yell

February 26, 2025 by Mira Thorne

What unique phenomenon occurs at Old Faithful Geyser in Yellow Stone National Park, making it a popular attraction for visitors?

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A) The geyser erupts every 60-110 minutes

B) The geyser changes colors every season

C) The geyser freezes in the winter

D) The geyser makes a unique sound when erupting