Q. Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

  • (A) Hydrogen, oxygen, sodium
  • (B) Carbon, hydrogen, nitrogen
  • (C) Carbon, hydrogen, potassium
  • (D) Oxygen, calcium, phosphorus
✅ Correct Answer: (B) Carbon, hydrogen, nitrogen

Published by Ram Sharma ⭐ 193.88K Points at 23-Mar-2022 12:03 pm in Science

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