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. Oxygen, Calcium, Phosphorus
D. Carbon, Hydrogen, Potassium
Answer:B
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. Oxygen, Calcium, Phosphorus D. Carbon, Hydrogen, Potassium