Question

what were the first life form on earth and how it is originated​

Answer 1

Explanation:

The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.

Hope this helps u.

Answer 2

Explanation:

The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.

hope it helps .....

MARK AS BRAINLIST...