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
Salutations!
An action verb shows a physical motion or even mentality motion. The word heard is the action verb in this sentence. Its the past form of "hear".
Hope I helped (:
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