What are 4 theories of how life started on earth?

Question

Scientific theories, not religious.
Feel free to only offer one if you dont know more than that
thanks

Answer 1

1. From seeding from outer space (but begs the question of how life began).
2. Templates in clay to pattern proteins and DNA.
3. Energy in "primordial soup" from UV light, heat, lightning, etc. helped combine smaller molecules into bigger ones.
4. Supernatural being (see Bible or any people's mythology). Usually life formed from base, simple, or disgusting substances.

Answer 2

The classical high temperature biogenesis of primordial soup.
Low temperature biogenesis - we're starting to find life at extremely low temperatures; likewise, some scientists suggest that life may have originated at low temperatures since things are more stable.
Extra-terrestrial origins - comets, Mars, asteroids.
RNA origins; RNA can self-replicate AND carry information.

Note each of these aren't necessarily exclusive! You can combine.

Answer 3

1)asteroids fell on earth t=n they contained protein n our body is very much made of proteins
2)all the organisms belong to same common ancestor that is a single cell..........theory given by charles darwin