Answer:
It's too long yr mark my answer as branily dear
Answer:
Explanation:
Oxygen is of no use to them, so they release it into the air. So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere.
Answer:
What does this population pyramid indicate about Denmark's recent population growth?
A. It is relatively stable.
