According to the most accepted theory, the Earth atmosphere, before any life had originated, consisted of H₂O, H₂, NH₂ and

Keep practicing — related questions

• Which one of the following was not present in earth's atmosphere before the origin of life?
• The primitive atmosphere of earth was devoid of
• In the atmosphere of the primitive earth there was no
• In the atmosphere of the primitive earth there was no
• The atmosphere of early earth was mainly composed of:
• According to the studies, which of the following gases was not present in early Earth's atmosphere?
• Which of the following statements is/are true? A. The dihedral angle between the H-atoms in staggered confo...
• Consider the following facts: 1. Since life began on Earth, only one major mass extinction event has taken ...