Question

how did life came into existence on earth​

Answer 1

Answer:

oparin

Explanation:

First, the various chemicals could react with each other to form lots of new compounds, some of which would be more complex. Oparin supposed that the molecules central to life, like sugars and amino acids, could all have formed in Earth's waters. Second, some of the chemicals began to form microscopic structures

Answer 2

Answer:

The first traces of life recorded on Earth are thought to be as old as 4.2 billion years, indicating that life may have evolved within 200 million years after the first appearance of liquid water. Nuclear geyser model.