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Scientists have been able to determine the composition of earth's layers using various ways. In most cases, samples have been taken and studied so as to determine the layers of the earth.
Severals methods are all combined to give the scientist info on the layers of the Earth. For example they study the influence of the earth on orbits of the moon and other planets (mass distribution of the earth, mass density). They study the way seismic waves go through the earth which gives knowledge of layers. They use wave to sound. They examine sample of earth.
PORN
how scientist were able to arrive to the district layer of the earth
Type your answer here... D.Comparing the composition of the crust to other bodies in the solar system
Hannah Montana
how earthquakes helped in determining the different layers of earth
hi
The density of Earth's layers
Earth
no
The physics and the formation of the Earth.