A very long time ago, Earth was a very different place. The air was not full of oxygen and one whole day was only six hours instead of twenty four! How did this world become the one we have today, and what role did the play in getting us here?
A very long time ago, Earth was a very different place. The air was not full of oxygen and one whole day was only six hours instead of twenty four! How did this world become the one we have today, and what role did the play in getting us here?