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.
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I think the answer would be...
The last option, "The Nation has to go through significant changes to avoid such tragic wars in the future."
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Answer:
Industrialization has knit the world together -not just in having wrought profound technological change, but also in the consequences, both economic and social, of that change. Industrialization allowed for the mechanization of Euro-American societies and the mass production of commodities and finished goods. At the same time, industrialization facilitated the destruction of local environments all over the world with pollution and resource depletion. Industrialization also provided the means by which Europeans, Americans, and the Japanese dominated cultures and societies around the globe through both formal and informal imperialism. As a result, the "progress" of the nineteenth century should be viewed globally, with truly global consequences that still challenge the planet and its peoples.
