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12-03-2019
Biology

contestada

Cyanobacteria are most responsible for...

A) creating multicellular organisms
B) oxygenating the Earth
C) creating archea
D) creating carbon dioxide

Respuesta :

sofiaburke05oxj2a4 sofiaburke05oxj2a4

12-03-2019

Awnser b is the right one because they produce oxygen

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