Glaciers quiz
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Which ice would raise sea level most if it all melted?
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More questions about Glaciers
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Which word names a deep crack in a glacier?
Answer: Crevasse
Why: Crevasses reach up to about 45 m deep; below that, the weight of the ice above makes it flow instead of cracking.
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Why is 'watermelon snow' pink?
Answer: Algae
Why: The algae's red pigment darkens the snow, so it soaks up more sunlight and melts faster than clean snow.
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How much of their ice did mountain glaciers lose from 2000 to 2023?
Answer: About 5%
Why: That loss added about 18 mm to global sea level between 2000 and 2023.
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How much of an iceberg sits below the water?
Answer: About 90%
Why: Glacier ice is about nine-tenths as dense as seawater, which is why roughly nine-tenths of a berg hides underwater.
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What in ice cores lets scientists measure ancient CO₂?
Answer: Air bubbles
Why: Bubbles in Antarctica's EPICA Dome C ice core hold a record of carbon dioxide that reaches back about 800,000 years.
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What are ice towers between crossing crevasses called?
Answer: Seracs
Why: Seracs are named after sérac, a Swiss white cheese pressed into blocks that the ice towers resemble.
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