According to paragraph 2, what causes icebergs to sometimes appear dark or opaque?
Understand the Problem
The question is asking about the factors that can cause icebergs to appear different colors, specifically what is mentioned in paragraph 2 regarding their appearance under various conditions.
Answer
The presence of gravel or bits of rock.
The presence of gravel or bits of rock causes icebergs to sometimes appear dark or opaque.
Answer for screen readers
The presence of gravel or bits of rock causes icebergs to sometimes appear dark or opaque.
More Information
Icebergs usually appear blue to white due to their ice structure, but when they include gravel or rock, they look darker.
Tips
Ensure to focus on details in the passage that explain physical characteristics.
Sources
- TOEFL iBT Practice Test - Quizlet - quizlet.com
- TOEFL iBT Practice Test - Docsity - docsity.com
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