Question

How might earth have started on earth?

Answer 1

Answer:

Rotation

Explanation:

Answer 2

Answer:

the earth formed around 4.5 billion years ago approximately one third the age of the universe by accretion from the solar nebula

volcanic eruption created the atmosphere and then ocean

Explanation:

Photosynthetic organisms appeared between 3.2 and 2.4 billion years ago and began enriching the atmosphere with oxygen. Life remained mostly small and microscopic until about 580 million years ago, when complex multicellular life arose, developed over time, and culminated in the Cambrian Explosion