Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
One risk for accessing carbon from the ground is that it may cause soil contamination. Soil when exposed to large amount of gases and other organically decaying materials can absorb these into their make-up. Fossil fuels are extracted from the ground through drilling processes. When the drilling is unsuccessful, pockets created within the soil can create areas for contamination. When soil is contaminated by fossil fuels, it can no longer be use for agricultural purposes.
The temperature depends to the certain point
It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.