Answer: It started with an electric spark,Molecules of life met on clay,Life began at deep-sea vents,Life had a chilly start,The answer lies in understanding DNA formation,Life had simple beginnings,Life was brought here from elsewhere in space
Explanation: The most prominent scientific theory about the origin of the Earth involves a spinning cloud of dust called a solar nebula. This nebula is a product of the Big Bang. Philosophers, religious scholars and scientists have lots of ideas about where the universe came from, but the most widely-held scientific theory is the Big Bang Theory.