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568

Centuries: 5th century - 6th century - 7th century

Decades: 510s - 520s - 530s - 540s - 550s - 560s - 570s - 580s - 590s - 600s - 610s

Years: 563 564 565 566 567 568 569 570 571 572 573

Events

Lombards invade Italy

Births

Deaths

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Photosynthesis

... instead of oygen, while others further oxidize it, producing sulfates. In general, photosynthesis requires a source of hydrogen with which to reduce carbon dioxide ...