Answer:
When a student studies the way the English language has evolved, the student is studying English's alliteration.
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D. The author relies too much on well-known data and statistics.
The answer B.Since,Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. ... Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.