Natural Selection, unless you were born in a lab which would be unnatural/artificial, and not too likely with today's technology. (Maybe one day.)
Answer:
Its the second one
Explanation:
Only ten percent gets transformed to the next thing on the pyramid so it's the second one.
Organic molecules can range in size from simple molecules to complex structures containing thousands of atoms! Although carbon is present in all organic compounds, other elements such as hydrogen , oxygen , nitrogen , sulfur and phosphorus are also common in these molecules.
It can change multiple times depending on the studying being shown
Carbon shares 4 electrons to complete its valence shell
