Answer: Lack of Mechanisms that will explain the Drift of the Continents.
Explanation: Wegener is not qualified to propose theories in the fields of geology and the history of the Earth because there was no mechanism available to endorse his proposals and offer a convincing and truthful explanation, hence the rejection of the Continental Drift, the theory That made him famous. This was rejected by many of his colleagues since his arguments were brief and not valid at that time.
