Examlex
What condition might occur in the foetus, and later in the child, if the pregnant mother consumes alcohol during her pregnancy?
Semiconductor
Material that can act as conductors or insulators depending on how its structure is arranged; elements that have four electrons in the valence shell.
Silicon
A chemical element with symbol Si, widely used in semiconductors and electronics for its properties of conductivity and resistance.
Doppler-Effect
A phenomenon where the frequency of waves, such as sound or light, changes due to the relative motion of the source and the observer.
Relative Velocity
The velocity of an object or observer in relation to another object, observer, or the medium in which they are moving.
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