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523

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

Decades: 470s - 480s - 490s - 500s - 510s - 520s - 530s - 540s - 550s - 560s - 570s

Years: 518 519 520 521 522 523 524 525 526 527 528


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Photosynthesis

... is important to note that this chemical equation is highly simplified; in reality photosynthesis employs a very complex mechanism for the adsorbption and conversion of light ...

 
 
 
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