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Explanation:
Life on Earth would not be possible without our air. Our air (the atmosphere) provides us with oxygen to breathe and carbon dioxide for plants to live. But the atmosphere does a lot more than provide air for living organisms. The atmosphere also helps to regulate Earth's temperature.
Answer:
The margins of glaciers are usually darker than the interior primarily because: Growth and associated glacial erosion. When glacial accumulation is greater than glacial ablation, the result is glacial. retreat and associated glacial deposition.
Explanation: