According to paragraph 4, ice shelf cores helped scientists explain the formation of green icebergs by showing that...
Understand the Problem
The question is asking for evidence from a specific paragraph of a text regarding the properties of ice shelf cores and how they relate to the formation of green icebergs. It seeks to determine which statement best supports this idea based on the information presented in paragraph 4.
Answer
The clear sea ice at the bottom of the ice shelf is similar to the ice formed from seawater.
The clear sea ice at the bottom of the ice shelf is similar to the ice formed from seawater.
Answer for screen readers
The clear sea ice at the bottom of the ice shelf is similar to the ice formed from seawater.
More Information
Ice shelf cores revealed that the green icebergs contain layers of both bubbly glacial ice and bubble-free sea ice, showing the formation process involving seawater.
Tips
Avoid assuming the layers directly imply color without understanding their composition.
Sources
- TOEFL iBT Practice Test 2 (GREEN ICEBERGS) - quizlet.com
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