Acute danger to human life (i.e. death) exists, if the concentration of CO<sub>2</sub> in atmospheric air exceeds _________ percent (by volume).

N

Nisha Gupta

🎓 Master ⭐ 2.32K Points

📊 Environmental Engineering

Q. Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds _________ percent (by volume).

(A) 1
(B) 3
(C) 7
(D) 20

💬 Discuss

✅ Correct Answer: (D) 20

You must be Logged in to update hint/solution

💬 Discussion

📊 Question Analytics

👁️

488

Total Visits

📽️

3 y ago

Published

🎖️

Nisha Gupta

Publisher

📈

89%

Success Rate