The earliest life on Earth arose at least 3.5 billion years ago. Earth's biodiversity has increased constantly except when disturbed by mass extinctions. Planet's human populace is divided amongst about two hundred sovereign states which interact via diplomacy, problem, travel, communication and also trade media.
According to proof from radiometric dating and various other sources, Planet was formed around 4 and a half billion years ago. Since then, the combination of Planet's range from the Sun, its bodily units as well as its geological record were allowed life to prosper as well as evolve.
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