Espresso is brewed by forcing a small amount of nearly boiling water under pressure through finely ground coffee beans, generally thicker than coffee brewed by other methods, has a higher concentration of suspended and dissolved solids, and has crema on top (a foam with a creamy consistency).

Food

Food is any substance consumed to provide nutritional support for the body. Historically, people secured food through two methods: hunting and gathering and agriculture. Today, the majority of the food energy required by the ever increasing population of the world is supplied by the food industry.
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