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Extract from the Text
Claribel was tucked snugly into a face mask... To our delighted surprise, she revived at once... she gave her series of trills—then promptly keeled over again.
Summary in Bullet Points
- The crew tries oxygen because Claribel may still be alive.
- She revives immediately, strongly linking her condition to the air she is breathing.
- Her second collapse after the mask is removed becomes the decisive clue.
Board Pattern
Questions Mapped to Exam Format
Short Answer
2 marks
Why is Claribel’s brief recovery important?
2 Marks
How to answer:
Give the main idea and one supporting detail.
View Answer
Answer: It shows that extra oxygen immediately helps her. When she collapses again after returning to the station air, the crew has evidence that the air itself may be unsafe.
Longer Short Answer
3 marks
How does this incident convert a pet emergency into a scientific clue?
3 Marks
How to answer:
Explain the point and show why it matters in the chapter.
View Answer
Answer: The response to oxygen acts like an accidental experiment: oxygen improves Claribel’s condition, ordinary station air makes it worse. The contrast points toward oxygen deficiency.
