They are the same equation just reversed
Some of the characteristics are that living things reproduce they use energy and that they grow
Nucleic acids
Nucleic acids store and transfer cellular information and transfer energy in all living organisms.
Well, the current theory says that another planet hit the Earth early in the time when Earth was formed and the debris from this hit later formed the moon: so the best answer from the options is " c. from a portion of Earth" but even better option would be "from another planet that hit the Earth"