Define : Plate tectonic theory
Answers
Plates interact at three types of plate boundaries: divergent, convergent and transform. Most of the Earth's geologic activity takes place at plate boundaries. At a divergent boundary, volcanic activity produces a mid ocean ridge and small earthquakes.
Alfred Wegener
And yet, the theory of plate tectonics represents a fairly young science. The "Father of Plate Tectonics", Alfred Wegener proposed "Continental Drift" in 1912, but was ridiculed by fellow scientists. It would take another 50 years for the concept to be accepted.
Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
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Answer:
plate tectonic theory is a theory that defines the movement of tectonics plate on the molten layer of earth called mantle.
Explanation:
According to the meteorologists the tectonic plates move over the semi solid layer of earth knows as mantle. In the begining of the earth there was one super continent named pangae, but slowly and gradually due to the movement of tectonic plates on the mantle. This process divide the worlds continent in two parts, Angaraland and Gondwana land. Angaraland devided in two parts euro-asian plate and north america, and Gondwana land divide in Africa, south america and Australia. Then a triangular part broke from Africa and got attached to India, which we today known as indian peninsula. the triangular part and the southern part of Asia formed a convergent boundary which created a mountain range which is today known as the Himalayas.
Also a land mass was lifted from the tethys sea ( ancient water body between Africa and Asia ) due to the movement of tectonic plates, which is known as Mount Everest ( The tallest mountain in the world )