I.
1. 300 milion years ago there was only one continent Pangea.
2. Five bilion years ago there was only a dust and cloud of gases.
3. 3,5 billion yars ago there were bacterias.
4. 6 billion years ago our planet was a ball of very hot lava .
II.
1.300 million years ago there wasn't only one countinet Pangea.
2.Five billions years ago there wasn't only a dust and loud of gases.
3.3,5 billions years ago there weren't bacterias.
4.6 billion years ago our planet wasn't a ball of very hot lava.
