Multiple Choice
Why would the spontaneous formation of formaldehyde and hydrogen cyanide not take place on Earth today as much as on the prebiotic Earth?
A) Microorganisms break these down immediately.
B) The Sun has changed its output.
C) Atmospheric conditions on Earth,such as the presence of oxygen,have changed.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q5: Do all human body fluids have the
Q6: How many electrons are involved in a
Q7: You need to write down information about
Q8: While water has many exceptional and useful
Q11: What holds electrons in a covalent bond?<br>A)It
Q12: Carbon is an important element for biology
Q13: Refer to the following figure to answer
Q14: Can the atomic mass of an element
Q16: A solution with a pH of 5
Q44: If an atom has a charge of