I'd like to cancel a cheque http://www.warwickhughes.com/blog/?p=do-my-homework-for-money write analysis essay In fact, Earth can be considered rather lucky to have not suffered a total cataclysm in at least 3.5 billion years – the period during which we have an unbroken record of life existing on the Earth’s surface. Before then, global sterilisation events, caused by collisions with huge space rocks, almost certainly took place many times – perhaps once every few hundred years. Each may well have wiped out early versions of life. Then, after one final cataclysmic impact, it was plain sailing all the way.
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Note from the poll creator: I'd like to cancel a cheque http://www.warwickhughes.com/blog/?p=do-my-homework-for-money write analysis essay In fact, Earth can be considered rather lucky to have not suffered a total cataclysm in at least 3.5 billion years – the period during which we have an unbroken record of life existing on the Earth’s surface. Before then, global sterilisation events, caused by collisions with huge space rocks, almost certainly took place many times – perhaps once every few hundred years. Each may well have wiped out early versions of life. Then, after one final cataclysmic impact, it was plain sailing all the way.