Explanation:
it depends on which part he ran over. dogs are said to be of high strength, any action of inadequate pressure or power would not necessarily be fatal. if the right amount of energy is used at the right spot, for example an artery running through the neck ( like the carotid artery) or something. but since the dog apparently vanished, we could make out that it is not exactly dead
The future of the Universe will be determined by the struggle between the momentum of its expansion and the pull of gravity. ... The vertical scale indicates the size of the Universe. For the next several billion years, the expansion of the Universe gradually slowed down due to the effects of gravity on matter.
