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One widely accepted hypothesis is that the Earth's magnetic field is created by electric currents within the D. liquid outer core
Which best sums up the composition of the Earth's crust?
The outermost layer of a terrestrial planet is referred to as its "crust." The older, heavier continental crust and the denser, younger oceanic crust make up the majority of the Earth's crust. Plate tectonics provides information about the dynamic geology of the Earth's crust. The outermost layer of a terrestrial planet is referred to as its "crust."
Which of these are seismic wave sources?
When materials suddenly move within the Earth, such when they slip along a fault during an earthquake, seismic waves are produced. Seismic waves can also be produced by volcanic eruptions, explosions, landslides, avalanches, and even swiftly flowing rivers.
What name do surface waves go by?
The Rayleigh wave, named after John William Strutt, sometimes known as Lord Rayleigh, who mathematically predicted the existence of this type of wave in 1885, is the other type of surface wave. Unlike Love waves, a Rayleigh wave has a more complicated motion as it travels through the ground.
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