According to paragraph 4, how is glacial ice formed?
Understand the Problem
The question is asking about the process of glacial ice formation as mentioned in paragraph 4 of a reading passage. It presents multiple choice options regarding how glacial ice is formed, and the goal is to identify the correct method based on the information provided in the passage.
Answer
By the compaction of snow.
The final answer is by the compaction of snow.
Answer for screen readers
The final answer is by the compaction of snow.
More Information
Glacial ice is formed through the compression of snow layers over time, creating dense ice due to the pressure from overlying snow.
Tips
A common mistake is confusing sea ice and glacier ice formation. Remember, glacial ice forms from compacted snow, whereas sea ice forms from frozen ocean water.
Sources
- Glaciers | National Snow and Ice Data Center - nsidc.org
- Glacier - National Geographic Education - education.nationalgeographic.org
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