Sci-Five | The Hindu Science Quiz: on glaciology
A person walks on a snow lined street after snowfall in Shimla, Himachal Pradesh, on Jan 20, 2023.
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What is the distinction between glaciers and icebergs?
- No distinction. Two names for a type of water
- Glaciers are damaged off items of icebergs
- Icebergs are damaged off items of glaciers
- Glaciers belong to the North Pole, and icebergs to the South
Icebergs are giant chunks of ice that break off from glaciers
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How do ice floes differ from glaciers?
- Glaciers are fabricated from frozen seawater
- Ice floes are fabricated from frozen seawater
- They are known as glaciers within the North Pole and ice floes within the South
- Ice floes kind when glaciers soften
Glaciers originate on land, and ice floes kind in open water and are a type of sea ice.
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3 / 5 |
You would have seen them in footage protecting timber at temperatures beneath freezing level. Name the white ice crystals.
Rime happens when supercooled water droplets, at a temperature decrease than 0°C, in fog are available contact with a floor that can also be at a temperature beneath freezing.
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4 / 5 |
Where can we discover most of Earth’s ice mass?
- Greenland
- The Arctic
- Antarctica
- Siberia
Almost 90% of Earth’s ice mass is in Antarctica, whereas the Greenland ice cap comprises 10% of the entire international ice mass.
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5 / 5 |
Permafrost is any floor that is still utterly frozen for a minimum of…
- 10 years
- 50 years
- 100 years
- Two years
Any floor qualifies to be permafrost if it stays utterly frozen for a minimum of two years straight. The completely frozen grounds are most typical in areas with excessive mountains, and close to the North and South Poles.
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