The earths surface is composed tectonic plates of basaltic oceanic crust with lighter granitic continental crust floating in isostatic balance on the oceanic crust.
because of the theory of pangaea. the theory states that billions of years ago, all the continents were connected to make one supercontinent. as the tectonic plates moved, then the continents drifted apart. this means that if you tried to put the supercontinent back together, then you would see exactly where all the continents go.
Plate tectonics, there are plates that shift amongst the earth’s crust and over time, they drift, converge, diverge, etc. The continents are like puzzle pieces because it is thought to be once Pangea, a supercontinent.
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The earths surface is composed tectonic plates of basaltic oceanic crust with lighter granitic continental crust floating in isostatic balance on the oceanic crust.
because of the theory of pangaea. the theory states that billions of years ago, all the continents were connected to make one supercontinent. as the tectonic plates moved, then the continents drifted apart. this means that if you tried to put the supercontinent back together, then you would see exactly where all the continents go.
Plate tectonics, there are plates that shift amongst the earth’s crust and over time, they drift, converge, diverge, etc. The continents are like puzzle pieces because it is thought to be once Pangea, a supercontinent.
Google pangaea. It is the name of great continent before it separated. Also Plate tectonics. http://www.infoplease.com/dk/encyclopedia/continents.html#id2814124
Teutonic plates