JUST BREATHE – Piano Solo from Prehistoric Piano Bk 4 by Martha Hill Duncan
JUST BREATHE – Piano Solo from Prehistoric Piano Bk 4 by Martha Hill Duncan

JUST BREATHE – Piano Solo from Prehistoric Piano Bk 4 by Martha Hill Duncan

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Pages: 3

The young Earth’s atmosphere had very little oxygen. The oxygen we breathe originated with the appearance of cyanobacteria. These tiny water-dwelling organisms (like blue-green algae) used photosynthesis which releases oxygen into the atmosphere.

Martha Hill Duncan

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