It's notoriously difficult to measure the precise number of polar bears, but it's generally agreed that their total population is less than 25,000 and falling. Unfortunately, even conservative estimates predict that there will be no polar bears left only a century from now, in large part due to the effects of global warming.
Which of the following best represents the writer's feeling relating to the topic of polar bears?
Result:
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Option 4: "He is concerned that they may become extinct."
Explanation: The text clearly states that there is a concern about polar bears becoming extinct within a century due to global warming. This aligns directly with the writer's feelings about the topic, as it emphasizes the urgency and seriousness of the situation.
Option 1: "He is frustrated that they are difficult to count."
Explanation: The text does mention the difficulty in measuring the number of polar bears, but it does not express frustration about this issue. Instead, the focus is on the broader concern regarding their declining population and habitat loss.
Option 2: "He is unhappy at the lack of effort to save them."
Explanation: While the text discusses the decline of polar bears, it does not specifically mention any lack of effort to save them. The writer's primary concern is about the impact of global warming on their survival, rather than the efforts being made.
Option 3: "He is worried that they hunt other animals."
Explanation: The text does not indicate any concern about polar bears hunting other animals. Instead, it highlights the concern about their habitat loss and the potential for extinction due to global warming.
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