The time period of 1.8 billion BCE to 800 million BCE is known as the "Boring Billion" because nothing happened. During this period, the climate stabilized, oxygen levels steadied, and evolution stalled. Recent research leads biologists to believe that this time was actually crucial for the emergence of animals, which brought the planet out of the "Boring Billion" and into the Neoproterozoic era.
A crust is generally more than 0.4% thick than the diameter of a pie/pizza/tart...
It's obviously not.
??? check your eyesight my friend, or refrain from making medical diagnosis... Just not seeing alopecia.
Perhaps you are referring to the actors who shaved their heads for a role?
Either way, you sound really dumb - which I know isn't your intention, so please try harder so the World will stop thinking less of you every time you open your hole and ignorance falls out.
Don't feed the troll.
Not understanding the sarcasm doesn't make you look very smart either...