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Expression of Ideas Difficulty: Medium

While researching a topic, a student has taken the following notes:

  • The melting rate of glaciers varies based on air temperature.
  • In the warm summer months, massive glaciers on the coast of Greenland melt into the surrounding water.
  • The melting glaciers contribute to rising sea levels each summer.
  • Huge icebergs also break off Greenland’s glaciers into the water and melt.
  • In 2017, geoscientist Twila Moon found that the iceberg melting rate depends not on air temperature but on water temperature.
  • Because water temperature is consistent, melting icebergs contribute to rising sea levels all year.

The student wants to emphasize a similarity between glaciers and icebergs in Greenland. Which choice most effectively uses relevant information from the notes to accomplish this goal?

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Explanation

Choice B is the best answer. The sentence emphasizes a similarity between glaciers and icebergs in Greenland, noting that both melt and thereby contribute to rising sea levels.

Choice A is incorrect. The sentence provides information about the melting rate of icebergs in Greenland; it doesn’t emphasize a similarity between glaciers and icebergs in Greenland. Choice C is incorrect. The sentence emphasizes a difference between glaciers and icebergs in Greenland, noting that their melting rates depend on different factors; it doesn’t emphasize a similarity. Choice D is incorrect. The sentence explains the conditions under which glaciers in Greenland melt; it doesn’t emphasize a similarity between glaciers and icebergs in Greenland.