Question: Which of the following elements of matter would best convey that there is life on earth
(a) Oxygen
(b) Hydrogen
(c) Carbon
(d) Iron
Correct Answer: (c) Carbon
Question: Which of the following elements of matter would best convey that there is life on earth
(a) Oxygen
(b) Hydrogen
(c) Carbon
(d) Iron
Correct Answer: (c) Carbon
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