The detail from the passage that supports the central idea that Shackleton and his team faced extreme conditions in the Antarctic is "The sun was very hot, and many were suffering from cracked lips." (paragraph 7)
This is because the narrator talks about a group of people in the Antarctic suffering from extreme conditions such as harsh sun and lack of good food.
This refers to the use of evidence to validate a given claim in a sentence.
Hence, we can see that The detail from the passage that supports the central idea that Shackleton and his team faced extreme conditions in the Antarctic is "The sun was very hot, and many were suffering from cracked lips." (paragraph 7)
This is because the narrator talks about a group of people in the Antarctic suffering from extreme conditions such as harsh sun and lack of good food.
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