At any time, any user is able to extend the expiration date or request deletion of the record.

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Scientists think the WAIS Divide core should provide the most accurate record to date of atmospheric carbon dioxide, which will allow them to better ascertain the role of carbon dioxide in climate change.

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When companies declare a dividend, they choose the amount per share, the date the stock will go ex-dividend, and the date payment will be made to shareholders of record.

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