Multiple Choice
The protoplanet nebula model states that the simplest and most abundant gases would have been
A) hydrogen and helium.
B) oxygen and carbon dioxide.
C) nitrogen and hydrogen.
D) hydrogen and oxygen.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q25: A sphere formed by organic molecules surrounded
Q26: The first primitive cells probably came into
Q27: Stanley Miller's experiment was concerned with the
Q28: To form organic molecules from inorganic molecules
Q29: According to the currently popular scientific theory
Q31: Different scientists have speculated about how the
Q32: Which of the following is the most
Q33: The formation of the first macromolecules from
Q34: Biogenesis states that life begins with<br>A) oceans.<br>B)
Q35: No other planet in our solar system