| 1. Big Bang then rock chunks smashing together
2. The earliest was extreme heat no life possible
3. lava under water (pohouhou) not aa
4. the earth distance from the sun let the crust form...
5. asteroids and asteroids
6. the earth distance from sun makes liquid water possible and once they flowed to the lowest points they made all the ocean.
7. Plate techtonics
8. They moved to different latitude and based on the angle of the sun have different weather and temperature....like the equator which is tropical... the poles are freezing and north America is a mix of desert droughts (southern California) and snowing like in Boston.
9. Stromatolites are animals they aren't made of anything...
10.Which one... most were asteroids!!!
11. Either heat and pressure or maybe asteroids.
12. That was a big asteroid just like the end of the Cretaceous. |