Examlex
The drift velocity of an electron in a wire varies
Seismic Waves
Vibrations that travel through Earth's layers, caused by natural processes like earthquakes or artificial events such as explosions.
Refraction
The deflection of a ray, as in light or a seismic wave, due to its passage from one material to another of different density.
Liquid Core
The fluid, outer layer of Earth's core, composed primarily of molten iron and nickel.
Density
The mass of a substance per unit volume, a critical factor in the behavior of geological materials.
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