Select the correct answer. Consider the following chemical equation:

NH3 + O2 → NO + H2O

The equation is unbalanced. Which of the following is the correct balanced equation?

A.
NH3 + 2O2 → NO + 6H2O
B.
4NH3 + 5O2 → 4NO + H2O
C.
4NH3 + 5O2 → 4NO + 6H2O
D.
NH3 + 5O2 → NO + 6H2O
Reset Next

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms