How did life begin? Explain

Explanation:

Life began from the garden of Eden

Life began about 3 billion years ago. How did it happen you ask? Because that is the age of the oldest rocks with fossils of life on the Earth. The rocks are very rare because following earth science processes have reformed the surface of our planet, also destroying older rocks while producing modern ones

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )