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.
She convinced Robert to have a child with her which is Trevor and then hides Trevor most of his child hood while pretending she is the maid so they can be seen together
Answer: Small, stable population
Explanation: Superpowers tend to have a larger more bulky population compared to their counter-parts with a small more controllable population, (hence, stable.)