Question

Which of these was the only form of life on Earth for over 2 billion years? *

Answer 1

Answer:

The earliest known life forms on Earth are putative fossilized microorganisms found in hydrothermal vent precipitates.[1] The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years,[1] or even 4.5 billion years;[3][4] not long after the oceans formed 4.41 billion years ago, and after the formation of the Earth 4.54 billion years ago.[1][2][5][6] The earliest direct evidence of life on Earth are microfossils of microorganisms permineralized in 3.465-billion-year-old Australian Apex chert rocks

Answer 2

Answer:

earth's crust was formed billions of years ago. And it was hot and giant mass body