Geologists analysed ancient rock crystals from Australia to find that freshwater appeared on earth a mere 600 million years after the formation of the planet.
The team now plans to search for similar lime-mud deposits in other places around the world to gather additional insights about the Palaeoproterozoic era.
Sukhu will defer half his own pay for six months; Group C, D employees and pensioners are fully exempt; Opposition calls it a budget that 'has gone backwards'.
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