In a short paragraph, explain the basics of the theory of plate tectonics. what does continental drift tell us about what happened to these plates in the past?

Plate tectonics describes the movement of very large chunks of land underneath the ground. The continents have moved around due to the plates below us moving, which is caused by the internal flow of gasses and molten metal underneath us.

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Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].

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