C preserved bone because none of the others were enough
They release carbon dioxide into the atmosphere which in effect create green house gasses
A. The car ahead of you is turning
The Atlas. This is the topmost vertebra, and with the axis, it forms a joint that connects the skull to the spine. These two parts of the body (The Atlas and The Axis) are special, and different from normal vertebra, because they are made to allow a greater range of motion and movement in the head. I hope this helps! Also, google is always a helpful tool to use as well. :)
