Why do scientists know very little about life in the Precambrian eon?(1 point)

Responses

There was no life on Earth during that eon.
There was no life on Earth during that eon.

All of these forms of life are now extinct.
All of these forms of life are now extinct.

There are few fossils from that time.
There are few fossils from that time.

The eon started with a mass extinction.