Change in temperature and air pressure. The primary cause of it is air pressure. Air will naturally flow from areas of high pressure to low pressure.
Oxygen entered the Earth's atmosphere after the appearance of the Great Oxidation Event (Great Oxygenation Event). The Great Oxidation is the first mass extinction on Earth.
The Great Oxidation lasted 2.4 to 2.0 billion years ago.
Oxygen appeared on Earth thanks to cyanobacteria using photosynthesis.
C. in the cracks because it’s saying where it took place
It is a fact that humans sweat and dogs pant to regulate body temperature or release heat from the body. This procedure is also called evaporative cooling. The sweat of the humans and the panting of the dogs actually help to evaporate from the body and thereby it takes away the heat from the body. I hope it has helped you.
