Continental drift Continental drift Continental drift is the theory that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. The concept was independently and more fully developed by Alfred Wegener in 1912, but his theory was rejected by many for lack of any motive mechanism. Arthur Holmes later proposed mantle convection for that mechanism. The idea of continental drift has since been subsumed by the theory of plate tectonics, which explains that the continents
Ice Age: Continental Drift $181 million, only behind "Marvel's The Avengers". Review aggregator Rotten Tomatoes reports that 38% of critics have given the film positive reviews, with a rating average of 5.1/10 based on 131 reviews. The consensus statement reads, ""Ice Age: Continental Drift 3D" has moments of charm and witty slapstick, but it often seems content to recycle ideas from the previous films." Another review aggregator, Metacritic, which assigns a normalized rating out of 100 top reviews from mainstream critics, calculated a score of 49 based on 29 reviews, indicating "mixed or average reviews." Audiences polled by CinemaScore gave the film an average