Englishfor English speakers
mixture
Noun
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A mixture is two or more things that have been mixed together; it is a mix.
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A mixture is something that is made up of many different elements.
density
Noun
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Density is how much stuff fits in a particular area.
The population density of Singapore is one of the highest in the world.
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The density of a material is how closely packed its atoms are.
The density of water is higher than the density of steam.