Wegener's hypothesis was based on observations such as the complementary shapes of continents, matching fossils on different continents, and similar geological features found in widely separated areas. The primary idea of wegener's continental drift theory was that the land masses of earth are not stationary, but rather, they move across the planet's surface over time The early hypothesis of **continental drift **was based on observations that suggested continents were once joined together
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Later, the theory of tectonics explained why large pieces of earth's surface move around and how many of earth's features form.
The theory of continental drift, proposed by alfred wegener, suggested that continents were once joined and drifted apart
This hypothesis was later modified with new evidence to develop the comprehensive theory of plate tectonics, which describes the movement of tectonic plates beneath earth's surface. This theory suggested that all of earth's continents were once united in a single supercontinent called pangaea, which existed around 225 million years ago Wegener gathered geological evidence to support his hypothesis, including the fitting shapes of coastlines, matching fossils found on different continents, and similar rock formations. The early hypothesis of _______ was based on observations that suggested continents were once joined together
Later, the theory of _______ explained why large pieces of earth's surface move around and how many of earth's features form Alfred wegener, a german scientist, proposed the theory of continental drift in 1912 Wegener's theory was initially not accepted for several reasons Wegener could not adequately explain how solid.
Alfred wegener used three main pieces of evidence to support his continental drift theory
The fit of continents like south america and africa, matching fossil records found on different continents, and geological similarities in mountain ranges His work suggested that all landmasses were once united in a supercontinent called pangaea. The theory of plate tectonics explains how the earth's crust, divided into plates, moves due to convection currents in the mantle
