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.
Climate change causes problems in our environment. The change in climate caused ice to melt and temperatures to rise. Because of the rising temperatures, habitats can be ruined and the animals that depend on that land and are living there can go extinct.
Possess small molars and large canines shows signs of speech
Answer:
usually very cold winters, and short, cool to mild summers
Explanation:
I did research on it