Q. For respiration in deep sea, divers use mixture of: (Solved)
1. Oxygen and helium
2. Oxygen and hydrogen
3. Oxygen and carbon dioxide
4. Oxygen, Helium & nitrogen
- d. Oxygen, Helium & nitrogen
1. Oxygen and helium
2. Oxygen and hydrogen
3. Oxygen and carbon dioxide
4. Oxygen, Helium & nitrogen