Q. Why is it difficult to breathe at higher altitudes?

  • (A) Due to low air pressure
  • (B) Due to low temperature
  • (C) Due to ozone
  • (D) Due to high humidity
✅ Correct Answer: (A) Due to low air pressure

Published by Neha Sharma ⭐ 7.80K Points at 25-Jan-2022 06:51 pm in Physics

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