Question

what are tectonic plates​

Answer 1

Answer:

Tectonic plates are the pieces of Earth's crust and topmost mantle. The tectonic plates are large sheets of rocks that comprise the earth's surface. These plates move slowly and change their position from time to time. There are 7 major and many minor plates that jointly form the uppermost surface of the earth

Answer 2

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Plate tectonics tectonicus, from the Ancient Greek is a scientific theory describing the large-scale motion of the plates making up Earth's lithosphere since tectonic processes began on Earth between and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century. The geoscientific community accepted plate-tectonic theory after seafloor spreading was validated in the mid to late 1960s.