Cyanobacteria were very simple organisms and performed were an role in changing Earth's early atmosphere. They carried out photosynthesis to produce the materials they needed to grow. In this process, they release Oxygen which is needed to sustain life on Earth for Humans and other organisms.
The answer Is B have a good day.
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I think its D. Artificial Selection
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Usually by age 18 is when you’re body fully developed.
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